{"product_id":"extrol-ax15","title":"Amtrol AX-15V Extrol Commercial ASME Hydronic Expansion Tank (7.8 Gallon)","description":"\u003cp\u003eThe Amtrol Extrol AX-15V is a commercial-grade, ASME-certified diaphragm expansion tank designed to control pressure fluctuations in closed, non-potable hydronic heating and chilled water systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngineered for Commercial Reliability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASME Rated:\u003c\/strong\u003e Built and certified to meet all ASME Section VIII, Division 1 code standards for commercial mechanical room compliance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Features a high-strength shell made of ASME-approved steel, finished with a rugged red oxide primer coating.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry-Thickest Diaphragm:\u003c\/strong\u003e Utilizes a specialized, fixed ultra-thick Butyl\/EPDM diaphragm securely clamped into the vessel walls to prevent air-to-water migration and system waterlogging.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amtrol","offers":[{"title":"Default Title","offer_id":42839826923614,"sku":"EXTROL-AX15","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Amtrol_Extrol_AX-15V_Primary_Front_View.jpg?v=1780782595","url":"https:\/\/nationalboilersupply.com\/products\/extrol-ax15","provider":"National Boiler Supply","version":"1.0","type":"link"}