{"product_id":"grundfos-scala1-self-priming-pressure-booster-pump","title":"Grundfos SCALA1 Self-Priming Pressure Booster Pump - 115\/230V, 13-22 GPM, 150-180 ft Head","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 · Self-Priming Booster\u003c\/div\u003e\n\u003cdiv class=\"gs-title\"\u003eSCALA1 Pressure Booster Pump\u003c\/div\u003e\n\u003cdiv class=\"gs-sub\"\u003eAll-in-one, self-priming multistage booster that delivers water on demand from city mains, storage or roof tanks, and shallow wells — pump, motor, tank, check valve and controls in one compact enclosure.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-badges\"\u003e\n\u003cdiv class=\"gs-badge\"\u003e115V \/ 230V\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e13–22 GPM\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eUp to 180 ft Head\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eSelf-Priming · 26 ft Lift\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eTwin-Capable\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 SCALA1 is a fully integrated, self-priming pressure booster that combines a multistage pump, water-cooled motor, small pressure vessel, check valve and electronic controls in one corrosion-resistant composite enclosure. It provides steady water on demand for homes, cabins and light-commercial supply.\u003c\/p\u003e\n\u003cp\u003eFixed-speed operation with built-in dry-running, anti-cycling and maximum-runtime protection. Bluetooth (Grundfos GO) and an external input add float-switch and irrigation control, and two units pair into a twin booster for standby duty or higher flow. Runs under 55 dB(A). Ports are 1 in NPT on both suction and discharge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eSpecifications by Model\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\u003eSCALA1 3-45\u003c\/th\u003e\n\u003cth\u003eSCALA1 5-55\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Flow\u003c\/td\u003e\n\u003ctd\u003e13 GPM (3 m³\/h)\u003c\/td\u003e\n\u003ctd\u003e22 GPM (5 m³\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Duty Point\u003c\/td\u003e\n\u003ctd\u003e15.8 GPM at 82 ft\u003c\/td\u003e\n\u003ctd\u003e23.5 GPM at 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Head (60 Hz)\u003c\/td\u003e\n\u003ctd\u003e150 ft (46 m)\u003c\/td\u003e\n\u003ctd\u003e180 ft (55 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Output (P2)\u003c\/td\u003e\n\u003ctd\u003e0.80 HP\u003c\/td\u003e\n\u003ctd\u003e1.10 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power Input (P1)\u003c\/td\u003e\n\u003ctd\u003e1.28 HP (950 W)\u003c\/td\u003e\n\u003ctd\u003e1.68 HP (1250 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e115V or 230V, 1-phase, 60 Hz\u003c\/td\u003e\n\u003ctd\u003e115V or 230V, 1-phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Inlet Pressure\u003c\/td\u003e\n\u003ctd\u003e43 psi (3 bar)\u003c\/td\u003e\n\u003ctd\u003e29 psi (2 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax System Pressure\u003c\/td\u003e\n\u003ctd\u003e116 psi (8 bar)\u003c\/td\u003e\n\u003ctd\u003e116 psi (8 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Suction Lift\u003c\/td\u003e\n\u003ctd\u003e26 ft (8 m)\u003c\/td\u003e\n\u003ctd\u003e26 ft (8 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e1 in NPT suction and discharge\u003c\/td\u003e\n\u003ctd\u003e1 in NPT suction and discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 55 dB(A)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 55 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Ambient \/ Liquid Temp\u003c\/td\u003e\n\u003ctd\u003e131°F \/ 113°F\u003c\/td\u003e\n\u003ctd\u003e131°F \/ 113°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eComposite\u003c\/td\u003e\n\u003ctd\u003eComposite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIPX4D\u003c\/td\u003e\n\u003ctd\u003eIPX4D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwin Booster\u003c\/td\u003e\n\u003ctd\u003eYes (accessory kit)\u003c\/td\u003e\n\u003ctd\u003eYes (accessory kit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eNSF\/ANSI 61 + 372, CSA, CE\u003c\/td\u003e\n\u003ctd\u003eNSF\/ANSI 61 + 372, CSA, CE\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\u003eRoof, break and storage tank boosting\u003c\/li\u003e\n\u003cli\u003eShallow wells to 26 ft lift\u003c\/li\u003e\n\u003cli\u003eGarden irrigation (calendar \/ external input)\u003c\/li\u003e\n\u003cli\u003eWater transfer point-to-point\u003c\/li\u003e\n\u003cli\u003eLight-commercial and multi-fixture supply\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, anti-cycling \/ micro-leakage detection, adjustable maximum-runtime timer and current- and temperature-dependent motor protection with automatic restart — no external motor protection required.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-note\"\u003e\n\u003cb\u003eSelection \u0026amp; Sizing\u003c\/b\u003eThe 3-45 and 5-55 differ in flow, head and inlet-pressure limits; confirm your available inlet pressure before choosing 5-55 (29 psi max). Match voltage to your service — 115V uses a NEMA 5-15 plug, 230V a NEMA 6-15.\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\/99735528_03_2026_SCALA1_IO_US_online.pdf?v=1788621088\" target=\"_blank\" rel=\"noopener\"\u003eSCALA1 Installation \u0026amp; Operating (US)\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/99735562_07.2026__SCALA_Databooklet_online.pdf?v=1788621088\" target=\"_blank\" rel=\"noopener\"\u003eSCALA Data Booklet\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/99735558_03.2023_SCALA1_QG.pdf?v=1788621088\" target=\"_blank\" rel=\"noopener\"\u003eSCALA1 Quick Guide\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/DN001481-Leaflet-Design-SCALA1-GCA-English.pdf?v=1788621087\" target=\"_blank\" rel=\"noopener\"\u003eSCALA1 Design Leaflet\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/99743333_1119_SCALA1_Twin_connection_QG.pdf?v=1788621088\" target=\"_blank\" rel=\"noopener\"\u003eSCALA1 Twin Connection Guide\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/99830441_1020_SCALA1_SI.pdf?v=1788621088\" target=\"_blank\" rel=\"noopener\"\u003eSCALA1 Service Instructions\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/99735560_05.2025_SCALA_Filter_QG.pdf?v=1788621087\" target=\"_blank\" rel=\"noopener\"\u003eInlet Filter Quick Guide\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- \/TABS --\u003e","brand":"Grundfos","offers":[{"title":"SCALA1 3-45 - 13 GPM - 150 ft \/ 115V - NEMA 5-15","offer_id":47450106626223,"sku":"99631742","price":1084.35,"currency_code":"USD","in_stock":true},{"title":"SCALA1 3-45 - 13 GPM - 150 ft \/ 230V - NEMA 6-15","offer_id":47450106658991,"sku":"99631736","price":1084.35,"currency_code":"USD","in_stock":true},{"title":"SCALA1 5-55 - 22 GPM - 180 ft \/ 115V - NEMA 5-15","offer_id":47450106691759,"sku":"99631754","price":1292.53,"currency_code":"USD","in_stock":true},{"title":"SCALA1 5-55 - 22 GPM - 180 ft \/ 230V - NEMA 6-15","offer_id":47450106724527,"sku":"99631739","price":1292.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_scala_1_5c9765cb-c5e6-44ea-a9f5-03cd8f76aeb7.webp?v=1788622109","url":"https:\/\/watermainsupply.com\/products\/grundfos-scala1-self-priming-pressure-booster-pump","provider":"Watermainsupply","version":"1.0","type":"link"}