{"product_id":"bell-gossett-1bn326-hft-15-hydronic-expansion-tank","title":"Bell \u0026 Gossett 1BN326 HFT-15 Hydronic Expansion Tank","description":"\u003cp\u003eMaintain optimal pressure in your hydronic heating systems with the \u003cstrong\u003eBell \u0026amp; Gossett 1BN326 HFT-15\u003c\/strong\u003e expansion tank. Designed for versatility and longevity, this high-performance tank effectively absorbs the increased volume of water as it heats, preventing unwanted relief valve discharge and system stress.\u003c\/p\u003e\u003cp\u003eThe HFT-15 features a heavy-duty butyl diaphragm that creates a physical barrier between the system water and the air cushion, protecting your piping and components from corrosion. By maintaining consistent system pressure, it ensures reliable heat distribution throughout your entire hydronic loop.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm Construction:\u003c\/strong\u003e Durable butyl rubber for superior air retention and service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Management:\u003c\/strong\u003e Efficiently absorbs thermal expansion to prevent system pressure spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Designed for closed-loop hydronic heating applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction Integrity:\u003c\/strong\u003e Robust steel shell finished with a corrosion-resistant coating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential and light commercial closed-loop hydronic heating systems, including baseboard radiation, radiant floor heating, and boiler-fed configurations.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127851384926,"sku":"1BN326","price":98.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/1BN326_image_eb249ec4-a7a6-4127-89e3-8fb99659bfc9.png?v=1786058235","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-1bn326-hft-15-hydronic-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}