{"product_id":"taco-cx254-125-67-gallon-diaphragm-expansion-tank","title":"Taco CX254-125 67 Gallon Diaphragm Expansion Tank","description":"\u003cp\u003eEfficiently manage thermal expansion in your hydronic heating system with the robust \u003cb\u003eTaco CX254-125\u003c\/b\u003e 67-gallon diaphragm expansion tank. Designed for durability and consistent operation, this model provides the necessary volume to accommodate fluid expansion as temperatures rise, effectively preventing pressure spikes and protecting your boiler components from premature wear.\u003c\/p\u003e\u003cp\u003eThe unit utilizes a high-quality internal diaphragm to create a permanent barrier between the system water and the pre-charged air cushion. This separation prevents the air from absorbing into the water, which reduces the risk of corrosion and waterlogged tanks. By maintaining a stable, controlled pressure environment, the \u003cb\u003eCX254-125\u003c\/b\u003e ensures that your system operates at peak efficiency year-round.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Separation:\u003c\/strong\u003e Features a heavy-duty diaphragm that keeps air and water permanently divided for cleaner loop performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Management:\u003c\/strong\u003e Specifically engineered to regulate volume fluctuations in medium to large-scale residential and commercial heating circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand rigorous operational demands while maintaining system seal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for use in large hydronic heating loops, radiant floor heating installations, and commercial space heating systems requiring stable pressure regulation.\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":43136488964190,"sku":"CX254-125","price":3919.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/CX254_125_image_aff1e641-eea2-4168-8c52-6245f4f37389.png?v=1786138574","url":"https:\/\/nationalboilersupply.com\/products\/taco-cx254-125-67-gallon-diaphragm-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}