{"product_id":"gol-expansion-heating-tanks-16-264-gallon-90-psi","title":"Gol Expansion Heating Tanks (16-264 Gallon, 90 PSI)","description":"\u003csection data-turn=\"user\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-9\" data-turn-id=\"84d6215f-1653-47e2-9fbd-4cdb85694bc7\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--header-height)\"\u003e\u003c\/section\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-10\" data-turn-id=\"request-WEB:226d3276-1542-4ba7-bab5-edab00498336-4\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"3d271754-31d4-4770-8317-f9fb2bac7311\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch2 data-end=\"109\" data-start=\"0\"\u003e\u003cstrong data-end=\"109\" data-start=\"0\"\u003eExpansion Heating Tanks – High-Performance Hydronic System Pressure Control Tanks (16–264 Gallon, 90 PSI)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"485\" data-start=\"111\"\u003eThe \u003cstrong data-end=\"142\" data-start=\"115\"\u003eExpansion Heating Tanks\u003c\/strong\u003e are engineered to maintain stable pressure and accommodate thermal expansion in closed-loop hydronic heating systems. Designed for reliability and long service life, these tanks protect system components from excessive pressure buildup while ensuring efficient and consistent operation in residential, commercial, and industrial applications.\u003c\/p\u003e\n\u003cp data-end=\"786\" data-start=\"487\"\u003eConstructed from durable steel with a high-quality internal diaphragm, these tanks effectively separate air and water to prevent corrosion and maintain system efficiency. Rated for \u003cstrong data-end=\"678\" data-start=\"668\"\u003e90 PSI\u003c\/strong\u003e, they are built to handle demanding heating environments while delivering dependable performance over time.\u003c\/p\u003e\n\u003cp data-end=\"1093\" data-start=\"788\"\u003eAvailable in a wide range of sizes from \u003cstrong data-end=\"857\" data-start=\"828\"\u003e16 gallons to 264 gallons\u003c\/strong\u003e, these expansion tanks offer flexibility for everything from small residential systems to large-scale commercial installations. Connection sizes range from \u003cstrong data-end=\"1026\" data-start=\"1014\"\u003e1″ to 2″\u003c\/strong\u003e, allowing for easy integration into various system configurations.\u003c\/p\u003e\n\u003chr data-end=\"1098\" data-start=\"1095\"\u003e\n\u003cp data-end=\"1132\" data-start=\"1100\" data-section-id=\"11ggp3i\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1132\" data-start=\"1104\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-end=\"1642\" data-start=\"1134\"\u003e\n\u003cli data-end=\"1191\" data-start=\"1134\" data-section-id=\"11dydqr\"\u003eDesigned for hydronic heating system pressure control\u003c\/li\u003e\n\u003cli data-end=\"1251\" data-start=\"1192\" data-section-id=\"dpt96h\"\u003eDurable steel construction for long-lasting performance\u003c\/li\u003e\n\u003cli data-end=\"1316\" data-start=\"1252\" data-section-id=\"1mpggt4\"\u003eInternal diaphragm design for efficient expansion management\u003c\/li\u003e\n\u003cli data-end=\"1366\" data-start=\"1317\" data-section-id=\"nf2o0q\"\u003eRated for \u003cstrong data-end=\"1339\" data-start=\"1329\"\u003e90 PSI\u003c\/strong\u003e maximum working pressure\u003c\/li\u003e\n\u003cli data-end=\"1413\" data-start=\"1367\" data-section-id=\"idhry6\"\u003eWide capacity range: \u003cstrong data-end=\"1411\" data-start=\"1390\"\u003e16 to 264 gallons\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1478\" data-start=\"1414\" data-section-id=\"10lk0r8\"\u003eConnection sizes from \u003cstrong data-end=\"1450\" data-start=\"1438\"\u003e1″ to 2″\u003c\/strong\u003e for flexible installation\u003c\/li\u003e\n\u003cli data-end=\"1527\" data-start=\"1479\" data-section-id=\"54pune\"\u003eHelps prevent overpressure and system damage\u003c\/li\u003e\n\u003cli data-end=\"1572\" data-start=\"1528\" data-section-id=\"13lak6d\"\u003eImproves system efficiency and longevity\u003c\/li\u003e\n\u003cli data-end=\"1642\" data-start=\"1573\" data-section-id=\"cli2a1\"\u003eSuitable for residential, commercial, and industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1647\" data-start=\"1644\"\u003e\n\u003cp data-end=\"1665\" data-start=\"1649\" data-section-id=\"10rmw79\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1665\" data-start=\"1653\"\u003eOverview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1974\" data-start=\"1667\"\u003eThese \u003cstrong data-end=\"1700\" data-start=\"1673\"\u003eExpansion Heating Tanks\u003c\/strong\u003e provide a reliable solution for managing thermal expansion in closed-loop heating systems. With a broad range of capacities, rugged construction, and consistent performance, they are essential components for maintaining system safety, efficiency, and long-term reliability.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1974\" data-start=\"1667\"\u003e\u003cstrong data-end=\"1985\" data-start=\"1976\"\u003eNote:\u003c\/strong\u003e The largest models (\u003cstrong data-end=\"2041\" data-start=\"2006\"\u003e185 gallon and 264 gallon units\u003c\/strong\u003e) are \u003cstrong data-end=\"2070\" data-start=\"2047\"\u003especial order items\u003c\/strong\u003e and are not typically stocked at the factory. Please allow an estimated \u003cstrong data-end=\"2166\" data-start=\"2143\"\u003e60–90 day lead time\u003c\/strong\u003e for delivery on these sizes.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1974\" data-start=\"1667\"\u003e\u003cstrong\u003eTechnical Documents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2380\/1317\/files\/Varem-Expansion-Tanks-for-Heating-and-Solar-Systems.pdf?v=1777926425\" title=\"Brochure\"\u003eBrochure\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"plumbEstore","offers":[{"title":"16 Gal \/ 1\" NPT","offer_id":45197020889141,"sku":"1581111","price":272.04,"currency_code":"USD","in_stock":true},{"title":"21 Gal \/ 1\" NPT","offer_id":45197020921909,"sku":"1581112","price":315.02,"currency_code":"USD","in_stock":true},{"title":"26.5 Gal \/ 1\" NPT","offer_id":45197020954677,"sku":"1581113","price":407.58,"currency_code":"USD","in_stock":true},{"title":"53 Gal \/ 1\"1\/2 NPT","offer_id":45197020987445,"sku":"1581114","price":696.07,"currency_code":"USD","in_stock":true},{"title":"79 Gal \/ 1\"1\/2 NPT","offer_id":45197021020213,"sku":"1581115","price":999.97,"currency_code":"USD","in_stock":true},{"title":"132 Gal \/ 1\"1\/2 NPT","offer_id":45197021052981,"sku":"1581116","price":1574.13,"currency_code":"USD","in_stock":true},{"title":"185 Gal \/ 1\"1\/2 NPT","offer_id":45197021085749,"sku":"1581117","price":2179.8,"currency_code":"USD","in_stock":true},{"title":"264 Gal \/ 2\" NPT","offer_id":45197021118517,"sku":"1581118","price":5202.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2380\/1317\/files\/ChatGPT_Image_May_4_2026_02_28_52_PM.png?v=1777926685","url":"https:\/\/plumbestore.com\/products\/gol-expansion-heating-tanks-16-264-gallon-90-psi","provider":"plumbEstore","version":"1.0","type":"link"}