{"product_id":"amtrol-st-12c","title":"Amtrol Therm-X-Trol ST-12C Commercial Thermal Expansion Tank","description":"\u003cdiv style=\"font-family: Arial, sans-serif; font-size: 15px; color: #333333; line-height: 1.6;\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eAmtrol Therm-X-Trol ST-12C Commercial Thermal Expansion Tank (ST-12C-DD)\u003c\/strong\u003e is a high-performance system component engineered to deliver premium fluid distribution efficiency and reliability. Built with a heavy-duty deep-drawn steel housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for controlling dangerous pressure buildup in closed commercial potable hot water loops.\n  \u003c\/p\u003e\n  \u003cp style=\"margin-top: 15px;\"\u003e\n    Constructed and certified per ASME Section VIII, Division 1 code standards, the ST-12C features a premium deep-drawn dome engineering design that offers double the physical strength of traditional head-and-shell designs while utilizing half the welds. The internal architecture features an antimicrobial polypropylene liner coupled alongside an advanced heavy-duty butyl diaphragm to continuously neutralize system bacteria such as Legionella, Staphylococcus, and E. coli. Outfitted with a patented internal Turbulator™ to circulate incoming fluid and completely eliminate raw sediment accumulation, this inline commercial expansion tank ensures continuous thermal expansion protection and rigid building code compliance.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amtrol","offers":[{"title":"Default Title","offer_id":42913135034462,"sku":"1080","price":1800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Amtrol_Therm-X-Trol_ST-12C_Commercial_Thermal_Expansion_Tank_heavy-duty_commercial_hydronic_system_component..jpg?v=1782010943","url":"https:\/\/nationalboilersupply.com\/products\/amtrol-st-12c","provider":"National Boiler Supply","version":"1.0","type":"link"}