{"title":"Grundfos CMBE Booster Systems","description":"\u003cstyle\u003e\n.cm-wrap{font-family:Arial,Helvetica,sans-serif;color:#1a1a1e;background:#E1E3E6;padding:0;margin:0 -20px;line-height:1.55}\n.cm-wrap *{box-sizing:border-box}\n.cm-hero{background:#4A4A4F;color:#fff;padding:64px 32px;text-align:center;border-bottom:6px solid #B3122A}\n.cm-hero h1{font-family:\"Arial Black\",Arial,sans-serif;font-size:40px;line-height:1.05;margin:0 0 14px;letter-spacing:.5px;text-transform:uppercase}\n.cm-hero h1 span{color:#B3122A}\n.cm-hero p{font-size:17px;max-width:820px;margin:0 auto;color:#C7CBD1}\n.cm-tag{display:inline-block;background:#B3122A;color:#fff;font-family:\"Arial Black\",Arial,sans-serif;font-size:12px;letter-spacing:2px;padding:6px 14px;margin-bottom:18px;text-transform:uppercase}\n.cm-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:2px;max-width:920px;margin:32px auto 0;background:#5c5c62}\n.cm-stat{background:#4A4A4F;padding:16px 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Black\",Arial,sans-serif;font-size:24px;color:#4A4A4F;text-transform:uppercase;letter-spacing:.5px;margin:0 0 10px;border-left:6px solid #B3122A;padding-left:14px;line-height:1.15}\n.cm-go-body p{font-size:15px;color:#4A4A4F;margin:0 0 16px;max-width:640px}\n.cm-go-btns{display:flex;gap:12px;flex-wrap:wrap}\n.cm-go-btn{display:inline-block;background:#B3122A;color:#fff!important;font-family:\"Arial Black\",Arial,sans-serif;font-size:13px;letter-spacing:1px;text-transform:uppercase;text-decoration:none;padding:12px 24px;border-radius:999px}\n.cm-go-btn:hover{background:#8a0e20}\n.cm-go-btn.alt{background:#4A4A4F}\n.cm-go-btn.alt:hover{background:#333338}\n.cm-go-note{font-size:12px;color:#9B9EA3;margin-top:10px!important}\n@media(max-width:640px){.cm-go{padding:20px}.cm-go-body h2{font-size:19px}}\u003c\/style\u003e\n\u003cdiv class=\"cm-wrap\"\u003e\n\n\u003csection class=\"cm-hero\" id=\"cm-top\"\u003e\n\u003cspan class=\"cm-tag\"\u003eGrundfos Pumps\u003c\/span\u003e\n\u003ch1\u003eGrundfos CMBE\u003cbr\u003e\u003cspan\u003eConstant Pressure Booster Systems\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003ePackaged variable-speed boosters built on the stainless CME multistage pump — ten single-pump models and three twin systems, from a single-family home to an apartment building, hotel or small industrial plant.\u003c\/p\u003e\n\u003cdiv class=\"cm-stats\"\u003e\n\u003cdiv class=\"cm-stat\"\u003e\n\u003cb\u003e10 Models\u003c\/b\u003e\u003cspan\u003eSingle-pump range\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-stat\"\u003e\n\u003cb\u003eUp to 60 GPM\u003c\/b\u003e\u003cspan\u003eMax flow\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-stat\"\u003e\n\u003cb\u003eUp to 325 ft\u003c\/b\u003e\u003cspan\u003eMax head\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-stat\"\u003e\n\u003cb\u003e145 psi\u003c\/b\u003e\u003cspan\u003eMax system pressure\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-stat\"\u003e\n\u003cb\u003eNSF 61 \/ 372\u003c\/b\u003e\u003cspan\u003eDrinking water\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cnav class=\"cm-nav\"\u003e\n\u003ca href=\"#cm-go\"\u003eGrundfos GO\u003c\/a\u003e\n\u003ca href=\"#cm-line\"\u003eThe Line\u003c\/a\u003e\n\u003ca href=\"#cm-video\"\u003eVideo\u003c\/a\u003e\n\u003ca href=\"#cm-models\"\u003eModel Range\u003c\/a\u003e\n\u003ca href=\"#cm-twin\"\u003eCMBE TWIN\u003c\/a\u003e\n\u003ca href=\"#cm-sizing\"\u003eSizing\u003c\/a\u003e\n\u003ca href=\"#cm-select\"\u003eSelection Charts\u003c\/a\u003e\n\u003ca href=\"#cm-features\"\u003eFeatures\u003c\/a\u003e\n\u003ca href=\"#cm-compare\"\u003evs Other Brands\u003c\/a\u003e\n\u003ca href=\"#cm-faq\"\u003eFAQ\u003c\/a\u003e\n\u003c\/nav\u003e\n\n\u003cdiv class=\"cm-intro\"\u003e\n\u003cp\u003e\u003cstrong style=\"color:#4a4a4f;font-family:'Arial Black',Arial,sans-serif;\"\u003eGrundfos CMBE\u003c\/strong\u003e is a complete packaged pressure-boosting system, not a bare pump. Each unit pairs a stainless-steel CME horizontal multistage pump and premium-efficiency IE5 motor with an integrated variable frequency drive, and arrives with the five-way fitting, integrated non-return valve, diaphragm tank, outlet pressure sensor and pressure gauge already fitted. A pressure sensor watches demand and the drive varies motor speed to hold a constant pressure in the pipe system — connect the pipes, plug it in, set the pressure on the panel, and it runs.\u003c\/p\u003e\n\u003cp\u003eThe range covers ten single-pump models serving up to 60 GPM and 325 ft of head, plus three CMBE TWIN systems that put two pumps in parallel on a common base with cascade control and automatic alternation. Watermain Supply stocks the U.S. 60 Hz range in 115 V and 230 V with engineering-led sizing to your fixture count, elevation and inlet pressure. Compare the models below, or call 1-888.510.4036 and we will size it for you. Genuine Grundfos equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial distributor.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cm-go\" id=\"cm-go\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_Go_App.webp?v=1788641135\" alt=\"Grundfos GO app for pump setup, status and monitoring\" loading=\"lazy\"\u003e\n\u003cdiv class=\"cm-go-body\"\u003e\n\u003ch2\u003eControl It From Your Phone — Grundfos GO\u003c\/h2\u003e\n\u003cp\u003eEvery CMBE is radio-enabled for the free Grundfos GO app: set functions, read status overviews, technical product information and live operating parameters from an iOS or Android device. Connection uses the Grundfos MI 301 radio module, which pairs the pump to your phone over Bluetooth — order it with the pump and commissioning takes minutes, not a laptop.\u003c\/p\u003e\n\u003cdiv class=\"cm-go-btns\"\u003e\n\u003ca class=\"cm-go-btn\" href=\"https:\/\/apps.apple.com\/us\/app\/grundfos-go-remote-pump-tool\/id524685121\" target=\"_blank\" rel=\"noopener\"\u003eDownload for iOS\u003c\/a\u003e\n\u003ca class=\"cm-go-btn alt\" href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.grundfos.go\u0026amp;pcampaignid=web_share\" target=\"_blank\" rel=\"noopener\"\u003eDownload for Android\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp class=\"cm-go-note\"\u003eGrundfos GO is a free app from Grundfos Holding A\/S. The MI 301 communication module is required for CMBE and is sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003csection class=\"cm-sec\" id=\"cm-line\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eThe CMBE Line\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eTwo configurations of the same integrated-VFD system: one pump for domestic and light-commercial supply, or two in parallel with cascade control for larger buildings and standby duty.\u003c\/p\u003e\n\u003cdiv class=\"cm-grid2\"\u003e\n\n\u003cdiv class=\"cm-card\"\u003e\n\u003cdiv class=\"cm-card-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CMBE_Pressure_Boosting_Pump.webp?v=1788626640\" alt=\"Grundfos CMBE constant pressure booster pump system\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cm-card-body\"\u003e\n\u003ch3\u003eCMBE\u003c\/h3\u003e\n\u003cp class=\"cm-tagline\"\u003eSingle-pump constant pressure\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-spec\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e10 Models\u003c\/b\u003e1, 3, 5 and 10 families\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eUp to 60 GPM\u003c\/b\u003emax flow\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e98–325 ft\u003c\/b\u003emax head\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e115 \/ 230 V\u003c\/b\u003e1-phase\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-card-body\"\u003e\n\u003cp class=\"cm-desc\"\u003eA CME multistage pump with integrated frequency converter, five-way valve, diaphragm tank, pressure sensor and gauge in one compact package. The integrated speed controller holds constant pressure as demand changes, with dry-running, overload and over-temperature protection built in. Stainless AISI 304 wetted hydraulics, IP55 pump enclosure, under 55 dB(A).\u003c\/p\u003e\n\u003cdiv class=\"cm-label\"\u003eKey specifications\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eMax system pressure 145 psi (10 bar)\u003c\/li\u003e\n\u003cli\u003eCut-in 7.25 psi below set point, 100 starts\/hour\u003c\/li\u003e\n\u003cli\u003eLiquid 32–140°F, ambient -4 to 131°F\u003c\/li\u003e\n\u003cli\u003eFlooded suction; max 3.28 ft lift, not self-priming\u003c\/li\u003e\n\u003cli\u003eNSF\/ANSI 61 + 372; 230 V models UL listed packaged system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-apps\"\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003eSingle- and two-family houses, cluster homes, blocks of flats, schools, small hotels and offices, agriculture and irrigation supply.\u003c\/div\u003e\n\u003ca class=\"cm-btn\" href=\"\/products\/grundfos-cmbe-constant-pressure-booster-pump\"\u003eView CMBE\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cm-card\"\u003e\n\u003cdiv class=\"cm-card-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CMBE_Twin_Booster_Pump.webp?v=1788640529\" alt=\"Grundfos CMBE TWIN parallel booster system with cascade control\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cm-card-body\"\u003e\n\u003ch3\u003eCMBE TWIN\u003c\/h3\u003e\n\u003cp class=\"cm-tagline\"\u003eTwo pumps, cascade control\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-spec\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e3 Systems\u003c\/b\u003e1-44, 3-51, 10-54\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e2 Pumps\u003c\/b\u003eparallel on one base\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eCascade\u003c\/b\u003e+ auto alternation\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e115 \/ 230 V\u003c\/b\u003efuse-box wired\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-card-body\"\u003e\n\u003cp class=\"cm-desc\"\u003eTwo complete CMBE pumps mounted in parallel on a common base plate with a manifold set of inlet and outlet pipes, ball valves and unions. Each pump keeps its own VFD, tank, sensor and check valve. Cascade control stages the second pump in as demand rises and pump alternation distributes runtime evenly, starting whichever pump has the fewest running hours.\u003c\/p\u003e\n\u003cdiv class=\"cm-label\"\u003eAvailable systems\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eCMBE TWIN 1-44 — 115 V, product no. 99503861\u003c\/li\u003e\n\u003cli\u003eCMBE TWIN 3-51 — 115 V, product no. 99503873\u003c\/li\u003e\n\u003cli\u003eCMBE TWIN 10-54 — 200-240 V, product no. 99503875\u003c\/li\u003e\n\u003cli\u003eConnections 1-1\/2 in NPT (2 in NPT on 10-54)\u003c\/li\u003e\n\u003cli\u003eFuse-box connection; 15 ft cable, no plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-apps\"\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003eApartment buildings, cluster homes, hotels, schools, small office buildings, hospitals, small industrial plants, and domestic fire suppression.\u003c\/div\u003e\n\u003ca class=\"cm-btn cm-btn-out\" href=\"\/pages\/request-a-quote\"\u003eRequest TWIN Quote\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"cm-sec alt\" id=\"cm-video\"\u003e\u003cdiv class=\"cm-in\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eCMBE In Two Minutes\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eThe packaged system, the integrated drive and the constant-pressure control — straight from Grundfos.\u003c\/p\u003e\n\u003cdiv style=\"max-width:720px\"\u003e\u003cdiv\u003e\n\u003cdiv style=\"position:relative;padding-top:56.25%;background:#fff;border:1px solid #C7CBD1\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/tSL4eCRdjmk?rel=0\" title=\"Grundfos CMBE Booster Pump Overview\" loading=\"lazy\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:13px;color:#4A4A4F;margin-top:8px\"\u003eGrundfos CMBE Booster Pump Overview\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eVideo published by Grundfos on its official YouTube channel. Content © Grundfos Holding A\/S.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"cm-sec\" id=\"cm-models\"\u003e\u003cdiv class=\"cm-in\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eCMBE Model Range\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eAll ten U.S. 60 Hz models. Model numbers state nominal flow (m³\/h) and max head (m) — a CMBE 3-62 is a 3 m³\/h (13 GPM) nominal pump with 203 ft of head, and per the manufacturer curves and selection charts it serves up to about 26 GPM at reduced head. Power figures are maximum P1 input.\u003c\/p\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eMax \/ Nominal Flow\u003c\/th\u003e\n\u003cth\u003eMax Head\u003c\/th\u003e\n\u003cth\u003e115 V\u003c\/th\u003e\n\u003cth\u003e230 V\u003c\/th\u003e\n\u003cth\u003eMax P1\u003c\/th\u003e\n\u003cth\u003eProduct No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003e~15 GPM · 4.4 nom\u003c\/td\u003e\n\u003ctd\u003e144 ft\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e0.84 HP\u003c\/td\u003e\n\u003ctd\u003e98810910 \/ 98548109\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003e~15 GPM · 4.4 nom\u003c\/td\u003e\n\u003ctd\u003e246 ft\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e1.34 HP\u003c\/td\u003e\n\u003ctd\u003e98810921 \/ 98548110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 1-99\u003c\/td\u003e\n\u003ctd\u003e~15 GPM · 4.4 nom\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003e325 ft\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e1.68 HP\u003c\/td\u003e\n\u003ctd\u003e98548111\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003ctd\u003e~26 GPM · 13 nom\u003c\/td\u003e\n\u003ctd\u003e98 ft\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e0.92 HP\u003c\/td\u003e\n\u003ctd\u003e98810922 \/ 98548112\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-51\u003c\/td\u003e\n\u003ctd\u003e~26 GPM · 13 nom\u003c\/td\u003e\n\u003ctd\u003e167 ft\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e1.18 HP\u003c\/td\u003e\n\u003ctd\u003e98810924\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003e~26 GPM · 13 nom\u003c\/td\u003e\n\u003ctd\u003e203 ft\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e1.62 HP\u003c\/td\u003e\n\u003ctd\u003e98548113\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-93\u003c\/td\u003e\n\u003ctd\u003e~26 GPM · 13 nom\u003c\/td\u003e\n\u003ctd\u003e305 ft\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e2.31 HP\u003c\/td\u003e\n\u003ctd\u003e98548114\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 5-31\u003c\/td\u003e\n\u003ctd\u003e~35 GPM · 22 nom\u003c\/td\u003e\n\u003ctd\u003e102 ft\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e1.46 HP\u003c\/td\u003e\n\u003ctd\u003e98548115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003e~35 GPM · 22 nom\u003c\/td\u003e\n\u003ctd\u003e203 ft\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e2.31 HP\u003c\/td\u003e\n\u003ctd\u003e98548116\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003e~60 GPM · 44 nom\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e177 ft\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e2.29 HP\u003c\/td\u003e\n\u003ctd\u003e98548118\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eConnections are 1 in NPT except the 5-31 and 5-62 outlet (1-1\/4 in NPT) and the 10-54 (1-1\/2 in NPT both ports). Request the manufacturer pump curve for your duty point before specifying.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"cm-sec\" id=\"cm-twin\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eCMBE TWIN: Cascade Control \u0026amp; Alternation\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eWhat the twin system adds over two independent pumps, and why it matters in a building.\u003c\/p\u003e\n\u003cdiv class=\"cm-feat\"\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eCascade control\u003c\/h4\u003e\n\u003cp\u003eThe system adapts to consumption by switching pumps on or off and varying the speed of those running, so it holds constant pressure using only the number of pumps the demand actually requires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eAutomatic alternation\u003c\/h4\u003e\n\u003cp\u003eRunning hours are distributed evenly. The system starts whichever pump has accumulated the fewest running hours since power was last switched off, so neither unit wears out ahead of the other.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eStandby redundancy\u003c\/h4\u003e\n\u003cp\u003eTwo independent pumps, each with its own drive, tank, sensor and check valve, on a shared manifold. If one is down, the building still has water — the reason CMBE TWIN suits hospitals and hotels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eHigher peak flow\u003c\/h4\u003e\n\u003cp\u003eBoth pumps run together when demand calls for more flow than one can deliver at the set pressure, roughly doubling available flow at a given head compared with a single CMBE.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-call\"\u003e\n\u003cstrong\u003eWiring note.\u003c\/strong\u003e Single CMBE units ship with a 4.9 ft cable and a US plug. CMBE TWIN is intended for fuse-box connection and ships with a 15 ft cable and no plug — plan for an electrician on twin installations.\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"cm-sec alt\" id=\"cm-sizing\"\u003e\u003cdiv class=\"cm-in\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eSizing \u0026amp; Best Practices\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eHow we size a CMBE, and the one limit that catches people out.\u003c\/p\u003e\n\u003ch3 class=\"cm-h3\"\u003e1. Calculate required boost\u003c\/h3\u003e\n\u003cp class=\"cm-p\"\u003eRequired boost equals the pressure you want at the highest fixture, plus 0.433 psi for every foot of elevation from the pump to that fixture, plus friction loss in the piping, minus the pressure already available at the pump inlet. A three-story building wanting 45 psi at the top floor, 30 ft above the pump, with 30 psi at the main, needs roughly 45 + 13 + friction − 30 ≈ 28 psi of boost plus pipe losses.\u003c\/p\u003e\n\u003ch3 class=\"cm-h3\"\u003e2. Estimate peak flow honestly\u003c\/h3\u003e\n\u003cp class=\"cm-p\"\u003eSize to simultaneous demand, not the sum of every fixture. A water-supply-fixture-unit method (IPC Table 604.3 \/ Hunter’s curve) converts fixture counts into a realistic peak GPM for residential work; the IAPMO Water Demand Calculator is more accurate for light commercial. The CMBE 1 family suits small homes, the 3 and 5 families cover most multi-bath and small-commercial work, and the 10-54 serves up to about 60 GPM.\u003c\/p\u003e\n\u003ch3 class=\"cm-h3\"\u003e3. Check the suction condition first\u003c\/h3\u003e\n\u003cp class=\"cm-p\"\u003eCMBE is \u003cstrong\u003enot self-priming\u003c\/strong\u003e. Maximum suction lift is 3.28 ft (1 m) including inlet-pipe pressure loss, so it wants a flooded or near-flooded suction from a main or a tank at or above pump level. If you are drawing up from a below-grade tank, cistern or shallow well, that is a job for the self-priming Grundfos SCALA line instead.\u003c\/p\u003e\n\u003cdiv class=\"cm-call\"\u003e\n\u003cstrong\u003eSizing rules.\u003c\/strong\u003e Never set the pressure set point above the model’s maximum head — the panel allows it, the pump cannot deliver it. Keep the sum of inlet pressure and pump head under the 145 psi system limit, and if your duty point lands past 70 percent of a model’s maximum head at design flow, step up a model.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"cm-sec\" id=\"cm-select\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eGrundfos Selection Charts\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eGrundfos publishes selection tables for residential work. Find your required boost in psi and your flow range, and read the recommended model — then confirm against the pump curve.\u003c\/p\u003e\n\u003ch3 class=\"cm-h3\"\u003eBy floors and taps\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFloors\u003c\/th\u003e\n\u003cth\u003e1-5 taps\u003c\/th\u003e\n\u003cth\u003e6-10 taps\u003c\/th\u003e\n\u003cth\u003e11-20 taps\u003c\/th\u003e\n\u003cth\u003e21-50 taps\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-93\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 class=\"cm-h3\"\u003e1 × 230 V — by boost and flow\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePSI boost\u003c\/th\u003e\n\u003cth\u003e0-15 gpm\u003c\/th\u003e\n\u003cth\u003e0-25 gpm\u003c\/th\u003e\n\u003cth\u003e0-30 gpm\u003c\/th\u003e\n\u003cth\u003e0-45 gpm\u003c\/th\u003e\n\u003cth\u003e0-55 gpm\u003c\/th\u003e\n\u003cth\u003e0-65 gpm\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-31\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-31\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-31\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-31\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-31\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-99\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-99\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-93\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-99\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-93\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-99\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70-80\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-93\u003c\/td\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 class=\"cm-h3\"\u003e1 × 115 V — by boost and flow\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePSI boost\u003c\/th\u003e\n\u003cth\u003e0-10 gpm\u003c\/th\u003e\n\u003cth\u003e0-15 gpm\u003c\/th\u003e\n\u003cth\u003e0-20 gpm\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-51\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-51 *\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-51\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-51\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003eCMBE 3-51\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55-60\u003c\/td\u003e\n\u003ctd\u003eCMBE 1-75 *\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003e* Indicated pump may be 5-10 percent undersized on flow at the desired pressure. Charts reproduced from Grundfos CMBE literature for reference; confirm the duty point on the manufacturer curve before ordering.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"cm-sec alt\" id=\"cm-features\"\u003e\u003cdiv class=\"cm-in\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eWhat Makes CMBE Different\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eThe engineering behind the package, and why it matters on an installation.\u003c\/p\u003e\n\u003cdiv class=\"cm-feat\"\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eComplete packaged system\u003c\/h4\u003e\n\u003cp\u003eFive-way fitting with integrated non-return valve, diaphragm tank, outlet pressure sensor and pressure gauge are fitted at the factory. Nothing to source separately, nothing to plumb but suction and discharge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eIE5 premium-efficiency motor\u003c\/h4\u003e\n\u003cp\u003eThe MGE motor with integrated frequency converter is a premium-efficiency IE5 design; Grundfos rates the drive at up to 40 percent energy savings against fixed-speed boosting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eStainless hydraulics\u003c\/h4\u003e\n\u003cp\u003ePump sleeve, shaft, impellers, chambers and nozzle in AISI 304 stainless with an AISI 316 sensor fitting — corrosion resistance that suits chlorinated, softened and raw water alike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eStructured dry-run recovery\u003c\/h4\u003e\n\u003cp\u003eOn loss of inlet pressure the pump stops and alarms, then attempts five restarts at 10-second intervals and eight at 5-minute intervals, repeating the cycle after 24 hours — it recovers on its own when water returns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eWide model ladder\u003c\/h4\u003e\n\u003cp\u003eTen models across four flow families mean the duty point can be matched closely instead of oversizing, from a small cottage supply to about 60 GPM.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eGrundfos GO connectivity\u003c\/h4\u003e\n\u003cp\u003eRadio communication with the Grundfos GO app through the MI 301 module gives setup, status and operating parameters from a phone or tablet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eSimple setpoint control\u003c\/h4\u003e\n\u003cp\u003eThe panel sets pressure with up\/down buttons and light fields across the sensor range, so a service tech can change the set point without a laptop or a proprietary tool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-feat-item\"\u003e\n\u003ch4\u003eDrinking-water certified\u003c\/h4\u003e\n\u003cp\u003eClassified to NSF\/ANSI 61 and NSF\/ANSI 372 for potable water, and the 1 × 230 V CMBE models are UL listed as a packaged pumping system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"cm-sec\" id=\"cm-compare\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eHow CMBE Compares\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eWe stock every major booster line, so we can be straight about fit. The single most important distinction: CMBE is a flooded-suction system, while most of the compact residential boosters below are self-priming.\u003c\/p\u003e\n\n\u003ch3 class=\"cm-h3\"\u003eCMBE vs Grundfos SCALA\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCMBE\u003c\/th\u003e\n\u003cth\u003eSCALA2\u003c\/th\u003e\n\u003cth\u003eSCALA1\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eFixed speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow range\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eup to ~60 GPM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eup to 18 GPM\u003c\/td\u003e\n\u003ctd\u003e13-22 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax head\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eup to 325 ft\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e147 ft\u003c\/td\u003e\n\u003ctd\u003e150-180 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModels\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-priming\u003c\/td\u003e\n\u003ctd\u003eNo (max 3.28 ft lift)\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eYes, 26 ft\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eYes, 26 ft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax system pressure\u003c\/td\u003e\n\u003ctd\u003e145 psi\u003c\/td\u003e\n\u003ctd\u003e145 psi\u003c\/td\u003e\n\u003ctd\u003e116 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulics\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eStainless AISI 304\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum + composite\u003c\/td\u003e\n\u003ctd\u003eComposite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e≤ 55 dB(A)\u003c\/td\u003e\n\u003ctd\u003e44 dB(A)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 55 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-pump\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eTWIN with cascade control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eParallel twin kit\u003c\/td\u003e\n\u003ctd\u003eElectronic twin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical use\u003c\/td\u003e\n\u003ctd\u003eWhole building, light commercial\u003c\/td\u003e\n\u003ctd\u003eWhole home comfort\u003c\/td\u003e\n\u003ctd\u003eHome, irrigation, transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eSCALA is the compact, self-priming, quieter choice for a single residence or a tank draw. CMBE is the larger, stainless, wider-ranging system for buildings — and the only Grundfos option here that reaches 60 GPM or 325 ft. If you need suction lift, choose SCALA.\u003c\/p\u003e\n\n\u003ch3 class=\"cm-h3\"\u003eCMBE vs DAB Esybox\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCMBE\u003c\/th\u003e\n\u003cth\u003eDAB Esybox\u003c\/th\u003e\n\u003cth\u003eDAB Esybox Max\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax flow\u003c\/td\u003e\n\u003ctd\u003eup to ~60 GPM\u003c\/td\u003e\n\u003ctd\u003e31.7 GPM\u003c\/td\u003e\n\u003ctd\u003e76 GPM per unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax head\u003c\/td\u003e\n\u003ctd\u003eup to 325 ft\u003c\/td\u003e\n\u003ctd\u003e213 ft\u003c\/td\u003e\n\u003ctd\u003eup to 316 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-priming\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes, 26 ft\u003c\/td\u003e\n\u003ctd\u003eNo (flooded via dock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax system pressure\u003c\/td\u003e\n\u003ctd\u003e145 psi\u003c\/td\u003e\n\u003ctd\u003e116 psi\u003c\/td\u003e\n\u003ctd\u003e174 psi nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulics\u003c\/td\u003e\n\u003ctd\u003eStainless AISI 304\u003c\/td\u003e\n\u003ctd\u003eComposite\/technopolymer\u003c\/td\u003e\n\u003ctd\u003eStainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-pump\u003c\/td\u003e\n\u003ctd\u003eTWIN, cascade + alternation\u003c\/td\u003e\n\u003ctd\u003eWireless to 4 units\u003c\/td\u003e\n\u003ctd\u003e1-4 via Esydock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003ctd\u003eSingle or three phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eEsybox is the more compact, self-priming, plug-and-pump alternative and scales further with Esybox Max for commercial stations. CMBE counters with stainless hydraulics, a finer model ladder for close duty matching, and a higher system-pressure rating than the standard Esybox.\u003c\/p\u003e\n\n\u003ch3 class=\"cm-h3\"\u003eCMBE vs A.Y. McDonald DuraMAC\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCMBE\u003c\/th\u003e\n\u003cth\u003eDuraMAC VS\u003c\/th\u003e\n\u003cth\u003eDuraMAC Light Commercial\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eFixed speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow\u003c\/td\u003e\n\u003ctd\u003eup to ~60 GPM\u003c\/td\u003e\n\u003ctd\u003e6-35 GPM\u003c\/td\u003e\n\u003ctd\u003e35 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoost \/ head\u003c\/td\u003e\n\u003ctd\u003eup to 325 ft\u003c\/td\u003e\n\u003ctd\u003e25-65 psi\u003c\/td\u003e\n\u003ctd\u003e40-78 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax system pressure\u003c\/td\u003e\n\u003ctd\u003e145 psi\u003c\/td\u003e\n\u003ctd\u003e120 psi\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulics\u003c\/td\u003e\n\u003ctd\u003eStainless AISI 304\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eSS 304\/316\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-priming\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-pump\u003c\/td\u003e\n\u003ctd\u003eTWIN with cascade\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eDenmark \/ assembled Mexico \u0026amp; US\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eMade in USA\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eMade in USA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eDuraMAC is self-priming, domestically manufactured, and typically the lower-cost route to a residential VFD booster. CMBE goes higher on head and system pressure, offers ten models instead of two, and is the only one of the three with a factory twin system.\u003c\/p\u003e\n\n\u003ch3 class=\"cm-h3\"\u003eCMBE vs Goulds Water Technology\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCMBE\u003c\/th\u003e\n\u003cth\u003eGoulds ResiBoost\u003c\/th\u003e\n\u003cth\u003eGoulds Aquavar\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed (e-AB3 \/ e-AB2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax flow\u003c\/td\u003e\n\u003ctd\u003eup to ~60 GPM\u003c\/td\u003e\n\u003ctd\u003eup to 35 GPM\u003c\/td\u003e\n\u003ctd\u003eup to 80 GPM (e-AB2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eIE5, up to 2.31 HP P1\u003c\/td\u003e\n\u003ctd\u003e0.75-2 HP\u003c\/td\u003e\n\u003ctd\u003e0.5-5 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump\u003c\/td\u003e\n\u003ctd\u003eStainless CME multistage\u003c\/td\u003e\n\u003ctd\u003eStainless e-HM\u003c\/td\u003e\n\u003ctd\u003ee-HM \/ MCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-priming\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaged\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eFully assembled\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-wired, tank separate\u003c\/td\u003e\n\u003ctd\u003eKit \/ drive package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-pump\u003c\/td\u003e\n\u003ctd\u003eTWIN with cascade\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003eDuplex \/ multi-master\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstall rating\u003c\/td\u003e\n\u003ctd\u003eIP55 pump, indoor\u003c\/td\u003e\n\u003ctd\u003eIndoor\u003c\/td\u003e\n\u003ctd\u003eNEMA 1 \/ NEMA 3R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eThe closest architectural match on this page — both are stainless multistage VFD boosters that want flooded suction. Aquavar scales higher in horsepower and offers outdoor-rated enclosures; CMBE arrives fully assembled with tank and sensor fitted and adds a factory twin system.\u003c\/p\u003e\n\n\u003ch3 class=\"cm-h3\"\u003eCMBE vs Davey\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCMBE\u003c\/th\u003e\n\u003cth\u003eDavey DD Series\u003c\/th\u003e\n\u003cth\u003eDavey EvoDrive\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed\u003c\/td\u003e\n\u003ctd\u003eVariable speed (PM motor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax flow\u003c\/td\u003e\n\u003ctd\u003eup to ~60 GPM\u003c\/td\u003e\n\u003ctd\u003e15-34 GPM\u003c\/td\u003e\n\u003ctd\u003e28 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax pressure\u003c\/td\u003e\n\u003ctd\u003eup to 325 ft (~141 psi)\u003c\/td\u003e\n\u003ctd\u003eup to 91 psi set\u003c\/td\u003e\n\u003ctd\u003eup to 95 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax casing \/ system\u003c\/td\u003e\n\u003ctd\u003e145 psi\u003c\/td\u003e\n\u003ctd\u003e116-145 psi\u003c\/td\u003e\n\u003ctd\u003e145 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-priming\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003ctd\u003e13 ft lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulics\u003c\/td\u003e\n\u003ctd\u003eStainless AISI 304\u003c\/td\u003e\n\u003ctd\u003e304 stainless\u003c\/td\u003e\n\u003ctd\u003e304 stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-pump\u003c\/td\u003e\n\u003ctd\u003eTWIN, cascade + alternation\u003c\/td\u003e\n\u003ctd\u003eDaisy-chain 2 pumps\u003c\/td\u003e\n\u003ctd\u003eDuty\/standby 2 pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eNSF 61\/372, cULus\u003c\/td\u003e\n\u003ctd\u003eNSF 61 (WQA)\u003c\/td\u003e\n\u003ctd\u003eNSF-oriented\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eDavey DD and EvoDrive are strong compact options with stainless hydraulics and simple two-pump modes. CMBE reaches substantially higher head, offers a wider model ladder, and its TWIN adds true cascade control and alternation rather than a simple pairing.\u003c\/p\u003e\n\n\u003ch3 class=\"cm-h3\"\u003eCMBE vs Franklin Electric\u003c\/h3\u003e\n\u003cdiv class=\"cm-tw\"\u003e\u003ctable class=\"cm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCMBE\u003c\/th\u003e\n\u003cth\u003eFE VersaBoost Pro\u003c\/th\u003e\n\u003cth\u003eFE MH Series\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePackaged VFD booster\u003c\/td\u003e\n\u003ctd\u003ePackaged VFD booster\u003c\/td\u003e\n\u003ctd\u003eMulti-stage bare pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax flow\u003c\/td\u003e\n\u003ctd\u003eup to ~60 GPM\u003c\/td\u003e\n\u003ctd\u003e18-25 GPM\u003c\/td\u003e\n\u003ctd\u003e15-90 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax head\u003c\/td\u003e\n\u003ctd\u003eup to 325 ft\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eto 140 psi capability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated tank \/ CV\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"cm-hl\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-priming\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eIE5 with integrated VFD\u003c\/td\u003e\n\u003ctd\u003eEncapsulated 4 in submersible + VFD\u003c\/td\u003e\n\u003ctd\u003eSquare-flange, 1 \u0026amp; 3-phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-pump\u003c\/td\u003e\n\u003ctd\u003eTWIN with cascade\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003eBuild custom (SpecPAK)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstall rating\u003c\/td\u003e\n\u003ctd\u003eIP55, indoor\u003c\/td\u003e\n\u003ctd\u003eNEMA 3R indoor\/outdoor\u003c\/td\u003e\n\u003ctd\u003eIndoor\/outdoor motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"cm-note\"\u003eVersaBoost Pro is the closest packaged competitor and adds an outdoor-rated NEMA 3R enclosure; CMBE offers far more models and higher head. MH Series is a bare pump for custom-built stations, and Franklin’s Inline SpecPAK sits above the CMBE class for duplex through quadplex commercial work.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"cm-why\"\u003e\n\u003cdiv class=\"cm-why-inner\"\u003e\n\u003ch2\u003eWhy Source Grundfos CMBE from Watermain Supply\u003c\/h2\u003e\n\u003cdiv class=\"cm-why-grid\"\u003e\n\u003cdiv class=\"cm-why-item\"\u003e\n\u003ch4\u003eGulf Coast Stock\u003c\/h4\u003e\n\u003cp\u003eCMBE single and twin systems in U.S. 60 Hz configurations, shipping across Texas and the Gulf Coast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-why-item\"\u003e\n\u003ch4\u003eEngineering-Led Sizing\u003c\/h4\u003e\n\u003cp\u003eWe size from fixture count, elevation, inlet pressure and pipe friction against the manufacturer curve — and tell you when a smaller model will do.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-why-item\"\u003e\n\u003ch4\u003eMulti-Brand Perspective\u003c\/h4\u003e\n\u003cp\u003eWe also stock Grundfos SCALA, DAB, A.Y. McDonald DuraMAC, Goulds, Davey and Franklin Electric. If CMBE is not the right fit, we will say so and quote the one that is.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-why-item\"\u003e\n\u003ch4\u003eTwin \u0026amp; Building Systems\u003c\/h4\u003e\n\u003cp\u003eGuidance on CMBE TWIN for standby redundancy and staged flow in apartment buildings, hotels and light industrial plants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-why-item\"\u003e\n\u003ch4\u003eAccount Terms Available\u003c\/h4\u003e\n\u003cp\u003eNet-30 terms for qualified contractor, property-management and municipal accounts, handled in-house.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-why-item\"\u003e\n\u003ch4\u003eParts \u0026amp; Aftermarket\u003c\/h4\u003e\n\u003cp\u003eGenuine Grundfos service kits and spares with model cross-reference, so you get the right sensor, valve or tank the first time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003csection class=\"cm-sec\" id=\"cm-faq\"\u003e\n\u003ch2 class=\"cm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"cm-sub\"\u003eCommon questions from plumbers, property managers and engineers specifying a CMBE booster.\u003c\/p\u003e\n\u003cdiv class=\"cm-faq\"\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eIs the CMBE self-priming?\u003c\/h4\u003e\n\u003cp\u003eNo. CMBE is designed for flooded suction, with a maximum suction lift of 3.28 ft (1 m) including inlet-pipe pressure loss. Feed it from a pressurized main or from a tank at or above pump level. If you need to lift water from a below-grade tank, cistern or shallow well, the self-priming Grundfos SCALA line is the correct choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eDo I need a separate pressure tank?\u003c\/h4\u003e\n\u003cp\u003eNo. Every CMBE ships with a diaphragm tank, five-way fitting with integrated non-return valve, outlet pressure sensor and pressure gauge already fitted. Connect suction and discharge, plug it in, and set the pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eWhat do the numbers in CMBE 3-62 mean?\u003c\/h4\u003e\n\u003cp\u003eThe first number is rated flow in cubic metres per hour and the second is maximum head in metres. A CMBE 3-62 is a 3 m³\/h (about 13 GPM) nominal pump with 62 m (203 ft) of head; per the manufacturer curves it serves up to about 26 GPM at reduced head. A CMBE 10-54 is 10 m³\/h (44 GPM) nominal, serving up to about 60 GPM.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eWhich models run on 115 V?\u003c\/h4\u003e\n\u003cp\u003eFour models are offered in 1 × 115 V, 60 Hz: CMBE 1-44, 1-75, 3-30 and 3-51. Everything else in the range is 1 × 200-240 V. Single CMBE units ship with a 4.9 ft cable and a US plug.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eWhat is the difference between CMBE and CMBE TWIN?\u003c\/h4\u003e\n\u003cp\u003eCMBE TWIN is two complete CMBE pumps mounted in parallel on a common base plate with a manifold set. It adds cascade control, which stages the second pump in as demand rises, and automatic alternation, which starts whichever pump has the fewest running hours. Three TWIN systems are offered: 1-44 and 3-51 at 115 V, and 10-54 at 200-240 V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eDoes CMBE TWIN plug in like a single unit?\u003c\/h4\u003e\n\u003cp\u003eNo. CMBE TWIN is intended for fuse-box connection and ships with a 15 ft cable and no plug, so plan for an electrician. Single CMBE units are plug-and-play.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eHow high can I set the pressure?\u003c\/h4\u003e\n\u003cp\u003eThe set point must never exceed the pump’s maximum head, which is on the nameplate; the panel will let you set a value the pump cannot deliver. The pump also cuts in at 7.25 psi below the set point, and the sum of inlet pressure and pump head must stay under the 145 psi maximum system pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eDoes CMBE need external motor protection?\u003c\/h4\u003e\n\u003cp\u003eNo. Single-phase CMBE requires no external motor protection. The variable-speed MGE motor incorporates thermal protection against slow overloading and blocking, plus dry-running protection that stops the pump, alarms, and retries automatically when water returns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eCan I install a CMBE outdoors?\u003c\/h4\u003e\n\u003cp\u003eThe pump carries an IP55 enclosure rating (sensor IP54) but Grundfos requires a protective cover for outdoor installation, large enough to shield the motor from direct sunlight, rain and snow. Ambient range is -4 to 131°F; provide freeze protection in cold climates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cm-faq-item\"\u003e\n\u003ch4\u003eIs CMBE certified for drinking water?\u003c\/h4\u003e\n\u003cp\u003eYes. CMBE is classified to NSF\/ANSI 61 for drinking water system components and NSF\/ANSI 372 for low lead content. The 1 × 230 V CMBE models are additionally UL listed as a packaged pumping system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cdiv class=\"cm-cta\"\u003e\n\u003ch2\u003eReady to Size Your Booster?\u003c\/h2\u003e\n\u003cp\u003eSend us your fixture count, number of floors, inlet pressure and required flow. We will respond with a sized CMBE or CMBE TWIN selection, accessories and lead time.\u003c\/p\u003e\n\u003cdiv class=\"cm-cta-row\"\u003e\n\u003cspan class=\"cm-phone\"\u003e1-888.510.4036\u003c\/span\u003e\n\u003ca class=\"cm-btn\" href=\"mailto:sales@watermainsupply.com\"\u003eEmail sales@watermainsupply.com\u003c\/a\u003e\n\u003ca class=\"cm-btn cm-btn-out\" href=\"\/pages\/request-a-quote\"\u003eRequest a Quote\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cm-foot\"\u003eTechnical data on this page is taken from Grundfos CMBE and CMBE TWIN North America product literature (98647967, 10.2025) and is subject to change by the manufacturer. Confirm against the current installation manual and pump curve before specifying.\u003cbr\u003e\nGrundfos, CMBE, CME, SCALA, MGE and Grundfos GO are trademarks of Grundfos Holding A\/S, used here for product identification only. DAB, Esybox, DuraMAC, Goulds, ResiBoost, Aquavar, Davey, EvoDrive, Franklin Electric, VersaBoost and SpecPAK are trademarks of their respective owners, used here for product identification only.\u003cbr\u003e\nWatermain Supply is a DBA of E4 Industrial LLC, an independent industrial supplier based in Houston, Texas.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"Is the Grundfos CMBE self-priming?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. CMBE is designed for flooded suction with a maximum suction lift of 3.28 ft (1 m) including inlet-pipe pressure loss. Feed it from a pressurized main or a tank at or above pump level. For suction lift from a below-grade tank, cistern or shallow well, the self-priming Grundfos SCALA line is the correct choice.\"}},\n{\"@type\":\"Question\",\"name\":\"Do I need a separate pressure tank with a CMBE?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Every CMBE ships with a diaphragm tank, five-way fitting with integrated non-return valve, outlet pressure sensor and pressure gauge already fitted.\"}},\n{\"@type\":\"Question\",\"name\":\"What do the numbers in CMBE 3-62 mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The first number is rated flow in cubic metres per hour and the second is maximum head in metres. A CMBE 3-62 is a 3 m3\/h (about 13 GPM) nominal pump with 62 m (203 ft) of head; per the manufacturer curves it serves up to about 26 GPM at reduced head.\"}},\n{\"@type\":\"Question\",\"name\":\"Which CMBE models run on 115 V?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Four models are offered in 1 x 115 V, 60 Hz: CMBE 1-44, 1-75, 3-30 and 3-51. All other models are 1 x 200-240 V. Single CMBE units ship with a 4.9 ft cable and a US plug.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the difference between CMBE and CMBE TWIN?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CMBE TWIN is two complete CMBE pumps in parallel on a common base plate with a manifold set. It adds cascade control, which stages the second pump in as demand rises, and automatic alternation, which starts the pump with the fewest running hours. Three TWIN systems are offered: 1-44 and 3-51 at 115 V, and 10-54 at 200-240 V.\"}},\n{\"@type\":\"Question\",\"name\":\"Does CMBE need external motor protection?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Single-phase CMBE requires no external motor protection. The variable-speed MGE motor incorporates thermal protection against slow overloading and blocking, plus dry-running protection that stops the pump and retries automatically.\"}},\n{\"@type\":\"Question\",\"name\":\"Is CMBE certified for drinking water?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. CMBE is classified to NSF\/ANSI 61 and NSF\/ANSI 372. The 1 x 230 V CMBE models are additionally UL listed as a packaged pumping system.\"}}\n]}\n\u003c\/script\u003e\n","products":[{"product_id":"grundfos-cmbe-constant-pressure-booster-pump","title":"Grundfos CMBE Constant Pressure Booster Pump - 43-141 PSI Boost, 115\/230V, Up to 60 GPM, 0.8-2.3 HP","description":"\u003c!-- TABS --\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cstyle\u003e\n.gs,.gs *{box-sizing:border-box;margin:0;padding:0}\n.gs{--c1:#B3122A;--g1:#4A4A4F;--s1:#9B9EA3;--a1:#E1E3E6;--k1:#C7CBD1;--d1:#B8BDC4;--w:#FFFFFF;font-family:Arial,Helvetica,sans-serif;color:var(--g1);font-size:15px;line-height:1.6;max-width:960px;margin:0 auto}\n.gs-head{background:var(--g1);color:var(--w);padding:22px 26px;border-left:5px solid var(--c1)}\n.gs-eyebrow{font-size:11px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--c1);margin-bottom:6px}\n.gs-title{font-family:\"Arial Black\",Arial,sans-serif;font-size:22px;font-weight:900;text-transform:uppercase;letter-spacing:.01em;line-height:1.15}\n.gs-sub{color:var(--k1);font-size:13px;margin-top:8px;max-width:640px}\n.gs-badges{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0 6px}\n.gs-badge{background:var(--a1);border:1px solid var(--k1);color:var(--g1);font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:5px 11px;border-radius:2px}\n.gs-sec{margin-top:26px}\n.gs-h{font-family:\"Arial Black\",Arial,sans-serif;font-size:12px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--c1);border-bottom:2px solid var(--a1);padding-bottom:6px;margin-bottom:12px}\n.gs-lead p{margin-bottom:10px}\n.gs-lead p:last-child{margin-bottom:0}\n.gs table{width:100%;border-collapse:collapse;font-size:13px;background:var(--w)}\n.gs .gs-tbl th{background:var(--g1);color:var(--w);font-family:\"Arial Black\",Arial,sans-serif;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;text-align:left;padding:9px 12px;border-bottom:2px solid var(--c1)}\n.gs .gs-tbl td{padding:8px 12px;border-bottom:1px solid var(--a1);vertical-align:top}\n.gs .gs-tbl tr:last-child td{border-bottom:none}\n.gs .gs-tbl td:first-child{font-weight:700;color:var(--g1);width:34%}\n.gs .gs-tbl tr:nth-child(even) td{background:#f7f7f8}\n.gs-apps{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:6px 18px;font-size:13px}\n.gs-apps li{padding-left:16px;position:relative}\n.gs-apps li::before{content:\"\";position:absolute;left:0;top:8px;width:6px;height:6px;background:var(--c1);border-radius:1px}\n.gs-note{background:#fff8f8;border:1px solid #f0c0c6;border-left:4px solid var(--c1);padding:14px 18px;font-size:13px;line-height:1.65;border-radius:0 2px 2px 0;margin-top:22px}\n.gs-note b{color:var(--c1);text-transform:uppercase;letter-spacing:.05em;font-size:11px;display:block;margin-bottom:4px;font-family:\"Arial Black\",Arial,sans-serif}\n.gs-contact{margin-top:18px;padding-top:14px;border-top:1px solid var(--a1);font-size:12px;color:var(--s1)}\n.gs-contact a{color:var(--c1);font-weight:700;text-decoration:none}\n.gs-dl{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}\n.gs-dl a{display:flex;align-items:center;gap:9px;background:var(--a1);border-top:2px solid var(--d1);padding:12px 14px;font-size:12px;font-weight:700;color:var(--g1);text-decoration:none;line-height:1.35;transition:border-color .15s,background .15s}\n.gs-dl a:hover{border-top-color:var(--c1);background:var(--w)}\n.gs-dl a::before{content:\"⇩\";color:var(--c1);font-size:15px;font-weight:900;flex-shrink:0}\n\u003c\/style\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-head\"\u003e\n\u003cdiv class=\"gs-eyebrow\"\u003eGrundfos · Constant Pressure Booster System\u003c\/div\u003e\n\u003cdiv class=\"gs-title\"\u003eCMBE Constant Pressure Booster\u003c\/div\u003e\n\u003cdiv class=\"gs-sub\"\u003ePackaged variable-speed booster — a stainless CME multistage pump with integrated frequency converter, delivered complete with five-way fitting, check valve, diaphragm tank, pressure sensor and gauge. Ten models from single-family homes to small commercial supply.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-badges\"\u003e\n\u003cdiv class=\"gs-badge\"\u003eVariable-Speed VFD\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eUp to 60 GPM\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eUp to 325 ft Head\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e145 psi Max System\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eStainless Hydraulics\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eNSF\/ANSI 61 + 372\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E1E3E6;border-left:3px solid #B8BDC4;padding:8px 14px;font-size:11.5px;color:#4A4A4F;margin-top:14px;line-height:1.5\"\u003eGenuine Grundfos equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial distributor.\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eOverview\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cp\u003eThe Grundfos CMBE is a compact packaged booster built on the CME horizontal multistage pump with an integrated variable frequency drive. A pressure sensor monitors demand and the speed controller holds a constant pressure in the pipe system, with soft starts and up to 40 percent energy savings from the premium-efficiency IE5 motor. Plug it in, set the pressure on the operating panel, and the system is operational.\u003c\/p\u003e\n\u003cp\u003eEach unit ships as a complete system: five-way fitting with integrated non-return valve, diaphragm tank, outlet pressure sensor and pressure gauge — stainless steel (AISI 304) pump housing, shaft and impellers throughout. CMBE is designed for flooded suction (maximum 3.28 ft of lift; it is not self-priming) and handles liquid temperatures to 140°F. Radio-enabled for Grundfos GO via the MI 301 module.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eModels \u0026amp; Ratings (60 Hz)\u003c\/div\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eMax Flow\u003c\/th\u003e\n\u003cth\u003eNominal Flow\u003c\/th\u003e\n\u003cth\u003eMax Head\u003c\/th\u003e\n\u003cth\u003eMax Boost\u003c\/th\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003cth\u003eMax P1 \/ Current\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 1-44\u003c\/td\u003e\n\u003ctd\u003e~15 GPM\u003c\/td\u003e\n\u003ctd\u003e4.4 GPM\u003c\/td\u003e\n\u003ctd\u003e144 ft\u003c\/td\u003e\n\u003ctd\u003e62 psi\u003c\/td\u003e\n\u003ctd\u003e115 V or 230 V\u003c\/td\u003e\n\u003ctd\u003e0.84 HP \/ 8.0 A (115 V)\u003cbr\u003e0.83 HP \/ 3.5 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 1-75\u003c\/td\u003e\n\u003ctd\u003e~15 GPM\u003c\/td\u003e\n\u003ctd\u003e4.4 GPM\u003c\/td\u003e\n\u003ctd\u003e246 ft\u003c\/td\u003e\n\u003ctd\u003e107 psi\u003c\/td\u003e\n\u003ctd\u003e115 V or 230 V\u003c\/td\u003e\n\u003ctd\u003e1.34 HP \/ 8.0 A (115 V)\u003cbr\u003e1.34 HP \/ 6.7 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 1-99\u003c\/td\u003e\n\u003ctd\u003e~15 GPM\u003c\/td\u003e\n\u003ctd\u003e4.4 GPM\u003c\/td\u003e\n\u003ctd\u003e325 ft\u003c\/td\u003e\n\u003ctd\u003e141 psi\u003c\/td\u003e\n\u003ctd\u003e230 V only\u003c\/td\u003e\n\u003ctd\u003e1.68 HP \/ 6.7 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-30\u003c\/td\u003e\n\u003ctd\u003e~26 GPM\u003c\/td\u003e\n\u003ctd\u003e13 GPM\u003c\/td\u003e\n\u003ctd\u003e98 ft\u003c\/td\u003e\n\u003ctd\u003e42 psi\u003c\/td\u003e\n\u003ctd\u003e115 V or 230 V\u003c\/td\u003e\n\u003ctd\u003e0.88 HP \/ 8.0 A (115 V)\u003cbr\u003e0.92 HP \/ 6.7 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-51\u003c\/td\u003e\n\u003ctd\u003e~26 GPM\u003c\/td\u003e\n\u003ctd\u003e13 GPM\u003c\/td\u003e\n\u003ctd\u003e167 ft\u003c\/td\u003e\n\u003ctd\u003e72 psi\u003c\/td\u003e\n\u003ctd\u003e115 V only\u003c\/td\u003e\n\u003ctd\u003e1.18 HP \/ 8.0 A (115 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-62\u003c\/td\u003e\n\u003ctd\u003e~26 GPM\u003c\/td\u003e\n\u003ctd\u003e13 GPM\u003c\/td\u003e\n\u003ctd\u003e203 ft\u003c\/td\u003e\n\u003ctd\u003e88 psi\u003c\/td\u003e\n\u003ctd\u003e230 V only\u003c\/td\u003e\n\u003ctd\u003e1.62 HP \/ 6.7 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 3-93\u003c\/td\u003e\n\u003ctd\u003e~26 GPM\u003c\/td\u003e\n\u003ctd\u003e13 GPM\u003c\/td\u003e\n\u003ctd\u003e305 ft\u003c\/td\u003e\n\u003ctd\u003e132 psi\u003c\/td\u003e\n\u003ctd\u003e230 V only\u003c\/td\u003e\n\u003ctd\u003e2.31 HP \/ 9.1 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 5-31\u003c\/td\u003e\n\u003ctd\u003e~35 GPM\u003c\/td\u003e\n\u003ctd\u003e22 GPM\u003c\/td\u003e\n\u003ctd\u003e102 ft\u003c\/td\u003e\n\u003ctd\u003e44 psi\u003c\/td\u003e\n\u003ctd\u003e230 V only\u003c\/td\u003e\n\u003ctd\u003e1.46 HP \/ 6.7 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 5-62\u003c\/td\u003e\n\u003ctd\u003e~35 GPM\u003c\/td\u003e\n\u003ctd\u003e22 GPM\u003c\/td\u003e\n\u003ctd\u003e203 ft\u003c\/td\u003e\n\u003ctd\u003e88 psi\u003c\/td\u003e\n\u003ctd\u003e230 V only\u003c\/td\u003e\n\u003ctd\u003e2.31 HP \/ 9.1 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMBE 10-54\u003c\/td\u003e\n\u003ctd\u003e~60 GPM\u003c\/td\u003e\n\u003ctd\u003e44 GPM\u003c\/td\u003e\n\u003ctd\u003e177 ft\u003c\/td\u003e\n\u003ctd\u003e77 psi\u003c\/td\u003e\n\u003ctd\u003e230 V only\u003c\/td\u003e\n\u003ctd\u003e2.29 HP \/ 9.1 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:12.5px;color:#9B9EA3;margin-top:8px;max-width:900px\"\u003eGrundfos model numbers state nominal flow — the best-efficiency duty in m³\/h (a CMBE 1-44 is a 1 m³\/h, 4.4 GPM nominal pump). Actual service range extends well beyond nominal: per the manufacturer performance curves and selection charts, the 1-series serves up to about 15 GPM, the 3-series 26 GPM, the 5-series 35 GPM and the 10-54 about 60 GPM at reduced head. Confirm your duty point on the pump curve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eShared Specifications\u003c\/div\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eCMBE (all models)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eVariable-speed constant-pressure packaged booster (CME pump + pressure control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivered With\u003c\/td\u003e\n\u003ctd\u003eFive-way fitting with integrated check valve, diaphragm tank, pressure sensor, pressure gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax System \/ Outlet Pressure\u003c\/td\u003e\n\u003ctd\u003e145 psi (10 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-In Pressure\u003c\/td\u003e\n\u003ctd\u003e7.25 psi below set point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuction\u003c\/td\u003e\n\u003ctd\u003eFlooded suction recommended; max lift 3.28 ft (1 m) — not self-priming\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Temperature\u003c\/td\u003e\n\u003ctd\u003e32–140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e-4 to 131°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure \/ Insulation\u003c\/td\u003e\n\u003ctd\u003ePump IP55, sensor IP54 \/ Class F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e≤ 55 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarts per Hour\u003c\/td\u003e\n\u003ctd\u003eMax 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003ePremium-efficiency IE5 with integrated VFD; built-in thermal protection, no external protection required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWetted Hydraulics\u003c\/td\u003e\n\u003ctd\u003eStainless steel AISI 304 sleeve, shaft, impellers and chambers; AISI 316 sensor fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003e1 in NPT (5-31 and 5-62 outlet 1-1\/4 in NPT; 10-54 is 1-1\/2 in NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eOperating panel with setpoint light fields; Grundfos GO via MI 301 radio module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eNSF\/ANSI 61 + 372 (cULus classified); 230 V models UL listed packaged pumping system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eApplications\u003c\/div\u003e\n\u003cul class=\"gs-apps\"\u003e\n\u003cli\u003eCity mains pressure boosting\u003c\/li\u003e\n\u003cli\u003eWhole-home constant pressure\u003c\/li\u003e\n\u003cli\u003eBreak tank and rainwater transfer\u003c\/li\u003e\n\u003cli\u003eAgriculture and irrigation supply\u003c\/li\u003e\n\u003cli\u003eCluster homes and small commercial buildings\u003c\/li\u003e\n\u003cli\u003eBoosting to upper floors (high-head models)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eProtection\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\u003cp\u003eDry-running protection stops the pump and enters alarm mode on loss of inlet pressure, then attempts 5 restarts at 10-second intervals, 8 restarts at 5-minute intervals, and repeats the cycle after 24 hours. Thermal protection against slow overload and blocking is built into the MGE motor.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-note\"\u003e\n\u003cb\u003eSelection \u0026amp; Sizing\u003c\/b\u003eCMBE requires flooded or near-flooded suction (max 3.28 ft lift) — for suction lift from a tank or shallow well, see the self-priming Grundfos SCALA line instead. Do not set the pressure set point above the model’s maximum head, and match voltage to your service; 115 V availability is limited to 1-44, 1-75, 3-30 and 3-51.\u003c\/div\u003e\n\u003cdiv class=\"gs-contact\"\u003eFor engineering-led sizing and selection support or a factory submittal, email \u003ca href=\"mailto:sales@watermainsupply.com\"\u003esales@watermainsupply.com\u003c\/a\u003e or call \u003ca href=\"tel:18885104036\"\u003e1-888.510.4036\u003c\/a\u003e.\u003cbr\u003e© Watermain Supply — A division of E4 Industrial LLC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eData Sheet\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-dl\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/98647967_10.25_CMBE_CMBE_TWIN_DB_US.pdf?v=1788626202\" target=\"_blank\" rel=\"noopener\"\u003eCMBE \u0026amp; CMBE TWIN Data Booklet (US)\u003c\/a\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/98636392_0422_CMBE_US_IO.pdf?v=1788626203\" target=\"_blank\" rel=\"noopener\"\u003eCMBE Installation \u0026amp; Operating (US)\u003c\/a\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/99457055_07.2025_NAMREG_CMBE_CMBE_TWIN.pdf?v=1788626203\" target=\"_blank\" rel=\"noopener\"\u003eCMBE \u0026amp; CMBE TWIN Manual (North America)\u003c\/a\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/CBS_CMBE_Leaflet_Reskin-LCMBSL02-0724-digital.pdf?v=1788626202\" target=\"_blank\" rel=\"noopener\"\u003eCMBE Product Leaflet\u003c\/a\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/CBS_Plumbing_Solutions_Brochure-LGPSL001-0924.pdf?v=1788626203\" target=\"_blank\" rel=\"noopener\"\u003eCBS Plumbing Solutions Brochure\u003c\/a\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/98926639_0516_CM_Booster_SKI_GB.pdf?v=1788626202\" target=\"_blank\" rel=\"noopener\"\u003eCM Booster Service Kit Instructions\u003c\/a\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/96488862_12.2023_Service_Kit_Catalogue_2023_Online_CM_CME_and_Boosters.pdf?v=1788626202\" target=\"_blank\" rel=\"noopener\"\u003eService Kit Catalogue — CM, CME \u0026amp; Boosters\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-sec\" style=\"margin-top:6px\"\u003e\n\u003cdiv class=\"gs-h\"\u003eOverview\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:4px\"\u003e\u003cdiv\u003e\n\u003cdiv style=\"position:relative;padding-top:56.25%;background:#E1E3E6\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/tSL4eCRdjmk?rel=0\" title=\"Grundfos CMBE Booster Pump Overview\" loading=\"lazy\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:13px;color:#4A4A4F;margin-top:8px;line-height:1.35\"\u003eGrundfos CMBE Booster Pump Overview\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;color:#9B9EA3;margin-top:14px\"\u003eVideos are published by Grundfos on its official YouTube channel and open in an embedded player. Content © Grundfos Holding A\/S.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch5\u003eGrundfos GO App\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\u003cdiv class=\"gs-sec\" style=\"margin-top:6px\"\u003e\n\u003cdiv class=\"gs-h\"\u003eSet Up \u0026amp; Monitor From Your Phone\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\u003cp\u003eThe free Grundfos GO app gives you setup, status overviews, technical product information and live operating parameters from an iOS or Android device. CMBE connects to Grundfos GO through the Grundfos MI 301 radio module, which pairs the pump to your phone over Bluetooth — order it with the pump and commissioning takes minutes, not a laptop.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-top:16px\"\u003e\n\u003ca href=\"https:\/\/apps.apple.com\/us\/app\/grundfos-go-remote-pump-tool\/id524685121\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#B3122A;color:#fff!important;font-family:Arial Black,Arial,sans-serif;font-size:13px;letter-spacing:1px;text-transform:uppercase;text-decoration:none;padding:12px 24px;border-radius:999px;margin:0 10px 10px 0\"\u003eDownload for iOS\u003c\/a\u003e\u003ca href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.grundfos.go\u0026amp;pcampaignid=web_share\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#4A4A4F;color:#fff!important;font-family:Arial Black,Arial,sans-serif;font-size:13px;letter-spacing:1px;text-transform:uppercase;text-decoration:none;padding:12px 24px;border-radius:999px;margin:0 10px 10px 0\"\u003eDownload for Android\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;color:#9B9EA3;margin-top:10px\"\u003eGrundfos GO is a free app from Grundfos Holding A\/S. The MI 301 communication module is required for CMBE and is sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c!-- \/TABS --\u003e","brand":"Grundfos","offers":[{"title":"62 PSI \/ 0.8 HP - Single Phase - 115V \/ Up to 15 GPM","offer_id":47450703790255,"sku":"98810910","price":3155.36,"currency_code":"USD","in_stock":true},{"title":"62 PSI \/ 0.8 HP - Single Phase - 230V \/ Up to 15 GPM","offer_id":47450703823023,"sku":"98548109","price":3155.36,"currency_code":"USD","in_stock":true},{"title":"107 PSI \/ 1.3 HP - Single Phase - 115V \/ Up to 15 GPM","offer_id":47450703855791,"sku":"98810921","price":3748.35,"currency_code":"USD","in_stock":true},{"title":"107 PSI \/ 1.3 HP - Single Phase - 230V \/ Up to 15 GPM","offer_id":47450703888559,"sku":"98548110","price":3763.15,"currency_code":"USD","in_stock":true},{"title":"141 PSI \/ 1.7 HP - Single Phase - 230V \/ Up to 15 GPM","offer_id":47450703921327,"sku":"98548111","price":4479.47,"currency_code":"USD","in_stock":true},{"title":"43 PSI \/ 0.9 HP - Single Phase - 115V \/ Up to 26 GPM","offer_id":47450703954095,"sku":"98810922","price":3751.31,"currency_code":"USD","in_stock":true},{"title":"43 PSI \/ 0.9 HP - Single Phase - 230V \/ Up to 26 GPM","offer_id":47450703986863,"sku":"98548112","price":3751.31,"currency_code":"USD","in_stock":true},{"title":"72 PSI \/ 1.2 HP - Single Phase - 115V \/ Up to 26 GPM","offer_id":47450704019631,"sku":"98810924","price":4078.88,"currency_code":"USD","in_stock":true},{"title":"88 PSI \/ 1.6 HP - Single Phase - 230V \/ Up to 26 GPM","offer_id":47450704052399,"sku":"98548113","price":4451.84,"currency_code":"USD","in_stock":true},{"title":"132 PSI \/ 2.3 HP - Single Phase - 230V \/ Up to 26 GPM","offer_id":47450704085167,"sku":"98548114","price":4829.73,"currency_code":"USD","in_stock":true},{"title":"44 PSI \/ 1.5 HP - Single Phase - 230V \/ Up to 35 GPM","offer_id":47450704117935,"sku":"98548115","price":4440.99,"currency_code":"USD","in_stock":true},{"title":"88 PSI \/ 2.3 HP - Single Phase - 230V \/ Up to 35 GPM","offer_id":47450704150703,"sku":"98548116","price":4822.83,"currency_code":"USD","in_stock":true},{"title":"77 PSI \/ 2.3 HP - Single Phase - 230V \/ Up to 60 GPM","offer_id":47450704183471,"sku":"98548118","price":5244.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CMBE_Pressure_Boosting_Pump_30c7c77d-4c2f-4c66-a545-c23253828f88.webp?v=1788639875"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/collections\/Grundfos_CMBE_Pressure_Boosting_Pump_30c7c77d-4c2f-4c66-a545-c23253828f88.webp?v=1788639971","url":"https:\/\/watermainsupply.com\/collections\/grundfos-cmbe-booster-systems.oembed","provider":"Watermainsupply","version":"1.0","type":"link"}