{"product_id":"bell-gossett-116303-series-d-100-asme-expansion-tank","title":"Bell \u0026 Gossett 116303 Series D-100 ASME Expansion Tank","description":"\u003cp\u003eEfficiently manage thermal expansion in your hydronic heating or cooling system with the \u003cstrong\u003eBell \u0026amp; Gossett 116303\u003c\/strong\u003e Series D-100 ASME expansion tank. This critical component ensures consistent system pressurization, effectively absorbing expansion forces to protect piping and boiler components from pressure-related stress during varying operating temperatures.\u003c\/p\u003e\u003cp\u003eThe unit utilizes a high-quality, pre-charged diaphragm-type design that separates system water from the air cushion. This specialized barrier prevents waterlogging and inhibits internal corrosion, ensuring a long service life and reliable, maintenance-free performance within your pressure-vessel infrastructure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASME Certified:\u003c\/strong\u003e Engineered to meet rigorous pressure vessel safety and quality standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm Separation:\u003c\/strong\u003e Advanced internal membrane prevents air-water contact to protect system integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Stabilization:\u003c\/strong\u003e Automatically accommodates fluid expansion and contraction to maintain optimal operating limits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial hydronic heating systems, chilled water loops, and large-scale residential boiler installations requiring consistent pressure management and ASME-rated equipment reliability.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43124020117598,"sku":"116303","price":3558.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/116303_image_d3c5d7db-b4e6-4ce7-86a4-787b9fe562d8.png?v=1786028811","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-116303-series-d-100-asme-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}