{"product_id":"grundfos-gtxa-asme-expansion-tank","title":"Grundfos GTXA ASME Thermal Expansion Tank - 150 PSI","description":"\u003c!-- TABS --\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-head\"\u003e\n\u003cdiv class=\"gs-eyebrow\"\u003eGrundfos · ASME Thermal Expansion Tank\u003c\/div\u003e\n\u003cdiv class=\"gs-title\"\u003eGTXA Thermal Expansion Tank\u003c\/div\u003e\n\u003cdiv class=\"gs-sub\"\u003e15 sizes from 10 to 528 gallons for potable hot water systems.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-badges\"\u003e\n\u003cdiv class=\"gs-badge\" style=\"background:#B3122A;color:#FFFFFF;border-color:#B3122A\"\u003e150 PSI Max Working Pressure\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eASME Section VIII Div. 1\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eNSF\/ANSI 61 Bladder, FDA Approved\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eReplaceable Heavy-Duty Butyl Bladder\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eFull Acceptance\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e10-528 Gallons\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eUp to 240°F\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eFactory Pre-Charged 40 PSIG\u003c\/div\u003e\n\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\u003eGrundfos GTXA tanks absorb the thermal expansion of potable hot water in commercial water heater and storage systems. When water is heated it expands; on a closed system (backflow preventer or check valve on the cold supply) that expansion has nowhere to go, and pressure climbs until the relief valve opens. The GTXA takes the expanded volume into its bladder and keeps system pressure below the relief setting.\u003c\/p\u003e\n\u003cp\u003eWater stays inside a replaceable heavy-duty butyl bladder (NSF\/ANSI 61, FDA approved) and never touches the steel shell. The full tank volume is available as acceptance. Tanks are ASME built and ship pre-charged at 40 PSIG; set the pre-charge to the incoming water pressure before filling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #C7CBD1;border-top:3px solid #B3122A;padding:12px 16px 12px;margin:16px 0 4px;font-size:13.5px;line-height:1.55;color:#4A4A4F\"\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:#B3122A;margin-bottom:8px\"\u003eWhat Ships and What It Needs to Run\u003c\/div\u003e\n\u003cp style=\"margin:0 0 6px\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eIncluded:\u003c\/strong\u003e the GTXA tank with factory-installed bladder and charging valve.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 6px\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eShips:\u003c\/strong\u003e about 40-1,525 lb by model, by LTL freight to a commercial dock; liftgate or residential delivery is a paid checkout option. Larger tanks ship on their own skid or base ring.\u003c\/p\u003e\n\u003cp style=\"margin:0\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eNeeded to install:\u003c\/strong\u003e isolation valve and drain at the system connection, a pressure gauge or tire gauge to set the pre-charge, and a level floor or pad rated for the full-of-water weight.\u003c\/p\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 supplier.\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank type\u003c\/td\u003e\n\u003ctd\u003eThermal expansion, replaceable bladder, full acceptance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCode\u003c\/td\u003e\n\u003ctd\u003eASME Section VIII Division 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax working pressure\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax temperature\u003c\/td\u003e\n\u003ctd\u003e240°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory pre-charge\u003c\/td\u003e\n\u003ctd\u003e40 PSIG, field adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListings\u003c\/td\u003e\n\u003ctd\u003eBladder NSF\/ANSI 61, FDA approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eModels, Part Numbers and Weights\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\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\u003ePart no.\u003c\/th\u003e\n\u003cth\u003eGallons\u003c\/th\u003e\n\u003cth\u003eAcceptance (gal)\u003c\/th\u003e\n\u003cth\u003eDia. x height (in)\u003c\/th\u003e\n\u003cth\u003eSystem conn.\u003c\/th\u003e\n\u003cth\u003eMax pressure\u003c\/th\u003e\n\u003cth\u003eWeight (lb)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-35\u003c\/td\u003e\n\u003ctd\u003e99470368\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e12 x 25\u003c\/td\u003e\n\u003ctd\u003e3\/4 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-50\u003c\/td\u003e\n\u003ctd\u003e99470369\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e14 x 25\u003c\/td\u003e\n\u003ctd\u003e3\/4 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-85\u003c\/td\u003e\n\u003ctd\u003e99470370\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003e16 x 37\u003c\/td\u003e\n\u003ctd\u003e1 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-130\u003c\/td\u003e\n\u003ctd\u003e99470372\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e20 x 37\u003c\/td\u003e\n\u003ctd\u003e1 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e132\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-200\u003c\/td\u003e\n\u003ctd\u003e99470374\u003c\/td\u003e\n\u003ctd\u003e53\u003c\/td\u003e\n\u003ctd\u003e53\u003c\/td\u003e\n\u003ctd\u003e24 x 43\u003c\/td\u003e\n\u003ctd\u003e1-1\/2 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-300\u003c\/td\u003e\n\u003ctd\u003e99470376\u003c\/td\u003e\n\u003ctd\u003e79\u003c\/td\u003e\n\u003ctd\u003e79\u003c\/td\u003e\n\u003ctd\u003e24 x 55\u003c\/td\u003e\n\u003ctd\u003e1-1\/2 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e236\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-400\u003c\/td\u003e\n\u003ctd\u003e99470377\u003c\/td\u003e\n\u003ctd\u003e106\u003c\/td\u003e\n\u003ctd\u003e106\u003c\/td\u003e\n\u003ctd\u003e30 x 49\u003c\/td\u003e\n\u003ctd\u003e1-1\/2 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e315\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-500\u003c\/td\u003e\n\u003ctd\u003e99470378\u003c\/td\u003e\n\u003ctd\u003e132\u003c\/td\u003e\n\u003ctd\u003e132\u003c\/td\u003e\n\u003ctd\u003e30 x 57\u003c\/td\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e347\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-600\u003c\/td\u003e\n\u003ctd\u003e99470379\u003c\/td\u003e\n\u003ctd\u003e158\u003c\/td\u003e\n\u003ctd\u003e158\u003c\/td\u003e\n\u003ctd\u003e30 x 65\u003c\/td\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e378\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-800\u003c\/td\u003e\n\u003ctd\u003e99470380\u003c\/td\u003e\n\u003ctd\u003e211\u003c\/td\u003e\n\u003ctd\u003e211\u003c\/td\u003e\n\u003ctd\u003e32 x 76\u003c\/td\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-1000\u003c\/td\u003e\n\u003ctd\u003e99470382\u003c\/td\u003e\n\u003ctd\u003e264\u003c\/td\u003e\n\u003ctd\u003e264\u003c\/td\u003e\n\u003ctd\u003e36 x 87\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e795\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-1200\u003c\/td\u003e\n\u003ctd\u003e99470383\u003c\/td\u003e\n\u003ctd\u003e317\u003c\/td\u003e\n\u003ctd\u003e317\u003c\/td\u003e\n\u003ctd\u003e36 x 98\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e820\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-1400\u003c\/td\u003e\n\u003ctd\u003e99470384\u003c\/td\u003e\n\u003ctd\u003e370\u003c\/td\u003e\n\u003ctd\u003e370\u003c\/td\u003e\n\u003ctd\u003e36 x 111\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e980\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-1600\u003c\/td\u003e\n\u003ctd\u003e99470385\u003c\/td\u003e\n\u003ctd\u003e422\u003c\/td\u003e\n\u003ctd\u003e422\u003c\/td\u003e\n\u003ctd\u003e48 x 84\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e1,395\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTXA-2000\u003c\/td\u003e\n\u003ctd\u003e99470386\u003c\/td\u003e\n\u003ctd\u003e528\u003c\/td\u003e\n\u003ctd\u003e528\u003c\/td\u003e\n\u003ctd\u003e48 x 96\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003ctd\u003e150 PSI\u003c\/td\u003e\n\u003ctd\u003e1,525\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:6px;line-height:1.55\"\u003eWeights are Grundfos’s published figures (approximate shipping weight). Dimensions in inches. Tanks over 150 lb ship by LTL freight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eBefore You Buy — The Limits That Decide the Fit\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure\u003c\/td\u003e\n\u003ctd\u003eRelief valve setting at or below 150 PSI.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charge\u003c\/td\u003e\n\u003ctd\u003eSet equal to the static supply pressure at the tank before filling.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizing\u003c\/td\u003e\n\u003ctd\u003eFrom the heater and piping volume, the cold and hot temperatures, the supply pressure and the relief setting.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid\u003c\/td\u003e\n\u003ctd\u003ePotable water.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eApplications\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cp\u003eCommercial domestic hot water heaters and storage tanks, booster heaters, and any closed potable hot water system with a backflow preventer, check valve or pressure-reducing valve on the cold supply.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eMaterials of Construction\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eShell and heads\u003c\/td\u003e\n\u003ctd\u003eCarbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBladder\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty butyl, replaceable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior\u003c\/td\u003e\n\u003ctd\u003ePrimer, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\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\u003eVideos\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\u003cdiv class=\"gs-sec\" style=\"margin-top:6px\"\u003e\n\u003cp style=\"font-size:13px;color:#9B9EA3\"\u003eProduct videos are being added to this listing. For a walkthrough in the meantime, email sales@watermainsupply.com.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c!-- \/TABS --\u003e","brand":"Grundfos","offers":[{"title":"10 Gal \/ GTXA-35","offer_id":50682239844527,"sku":"99470368","price":4291.16,"currency_code":"USD","in_stock":true},{"title":"13 Gal \/ GTXA-50","offer_id":50682239877295,"sku":"99470369","price":4579.72,"currency_code":"USD","in_stock":true},{"title":"23 Gal \/ GTXA-85","offer_id":50682239910063,"sku":"99470370","price":4822.88,"currency_code":"USD","in_stock":true},{"title":"35 Gal \/ GTXA-130","offer_id":50682239942831,"sku":"99470372","price":5280.7,"currency_code":"USD","in_stock":true},{"title":"53 Gal \/ GTXA-200","offer_id":50682239975599,"sku":"99470374","price":7161.26,"currency_code":"USD","in_stock":true},{"title":"79 Gal \/ GTXA-300","offer_id":50682240008367,"sku":"99470376","price":9614.6,"currency_code":"USD","in_stock":true},{"title":"106 Gal \/ GTXA-400","offer_id":50682240041135,"sku":"99470377","price":11240.42,"currency_code":"USD","in_stock":true},{"title":"132 Gal \/ GTXA-500","offer_id":50682240073903,"sku":"99470378","price":11749.05,"currency_code":"USD","in_stock":true},{"title":"158 Gal \/ GTXA-600","offer_id":50682240106671,"sku":"99470379","price":13891.37,"currency_code":"USD","in_stock":true},{"title":"211 Gal \/ GTXA-800","offer_id":50682240139439,"sku":"99470380","price":15321.82,"currency_code":"USD","in_stock":true},{"title":"264 Gal \/ GTXA-1000","offer_id":50682240172207,"sku":"99470382","price":18061.47,"currency_code":"USD","in_stock":true},{"title":"317 Gal \/ GTXA-1200","offer_id":50682240204975,"sku":"99470383","price":18608.28,"currency_code":"USD","in_stock":true},{"title":"370 Gal \/ GTXA-1400","offer_id":50682240237743,"sku":"99470384","price":20445.19,"currency_code":"USD","in_stock":true},{"title":"422 Gal \/ GTXA-1600","offer_id":50682240270511,"sku":"99470385","price":26865.4,"currency_code":"USD","in_stock":true},{"title":"528 Gal \/ GTXA-2000","offer_id":50682240303279,"sku":"99470386","price":28702.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_GFXA_85-800L_Tank_013d0e90-6bc8-4d58-98da-4921cc3434ad.png?v=1792174591","url":"https:\/\/watermainsupply.com\/products\/grundfos-gtxa-asme-expansion-tank","provider":"Watermainsupply","version":"1.0","type":"link"}