{"product_id":"bell-gossett-1bn318lf-pt-12-hydronic-expansion-tank","title":"Bell \u0026 Gossett 1BN318LF PT-12 Hydronic Expansion Tank","description":"\u003cp\u003eEfficiently manage thermal expansion in your hydronic heating or cooling system with the \u003cstrong\u003eBell \u0026amp; Gossett 1BN318LF\u003c\/strong\u003e, also known as the \u003cstrong\u003ePT-12\u003c\/strong\u003e expansion tank. Designed for long-term reliability, this high-quality vessel absorbs the excess volume of heated water, protecting your pipes, valves, and boiler from damaging pressure fluctuations.\u003c\/p\u003e\u003cp\u003eThis tank utilizes a robust diaphragm design to maintain a precise air cushion that separates system fluid from the air charge, preventing waterlogging and ensuring consistent system operation. By effectively cushioning pressure spikes, the unit extends the lifespan of critical system components and maintains optimal efficiency throughout the heating cycle.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Regulation:\u003c\/strong\u003e Maintains safe operating pressures by managing thermal expansion volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Reduces mechanical stress on gaskets, seals, and boiler heat exchangers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Separation:\u003c\/strong\u003e Features an advanced diaphragm construction to prevent premature tank failure and waterlogging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential and light commercial hydronic heating systems, radiant floor heating loops, and closed-loop chilled water applications requiring precise pressure control.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127819239518,"sku":"1BN318LF","price":121.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/1BN318LF_image_0bbe071f-d34d-4e84-9e6e-924d3b0f3e49.jpg?v=1786057924","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-1bn318lf-pt-12-hydronic-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}