{"product_id":"wessels-2210500-fxa-nva-500-replacement-expansion-tank-bladder","title":"Wessels 2210500 FXA-NVA-500 Replacement Expansion Tank Bladder","description":"\u003cp\u003eMaintain optimal pressure regulation in your closed-loop HVAC infrastructure with the \u003cstrong\u003eFXA-NVA-500\u003c\/strong\u003e replacement bladder. Specifically engineered for the Wessels \u003cstrong\u003e2210500\u003c\/strong\u003e expansion tank, this heavy-duty bladder serves as a vital barrier between system fluid and the air cushion, effectively absorbing thermal expansion to prevent damaging pressure spikes and relief valve discharge.\u003c\/p\u003e\u003cp\u003eThe bladder functions as a flexible diaphragm that expands and contracts in response to fluid temperature fluctuations. By isolating the system water from the tank shell, it prevents corrosion and minimizes air absorption, ensuring the long-term integrity and energy efficiency of your hydronic or chilled water system.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Regulation:\u003c\/strong\u003e Absorbs volumetric changes to stabilize system PSI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Isolation:\u003c\/strong\u003e Prevents direct contact between system water and steel tank walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Standard:\u003c\/strong\u003e Constructed for high-cycle resilience in demanding commercial HVAC loops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial boiler systems, large-scale chilled water loops, and hydronic radiant heating assemblies requiring reliable pressure vessel maintenance.\u003c\/p\u003e","brand":"Wessels","offers":[{"title":"Default Title","offer_id":43136531595358,"sku":"FXA-NVA-500","price":4827.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/FXA_NVA_500_image_eed63415-0217-403c-82ba-7459b30a1ed5.jpg?v=1786140925","url":"https:\/\/nationalboilersupply.com\/products\/wessels-2210500-fxa-nva-500-replacement-expansion-tank-bladder","provider":"National Boiler Supply","version":"1.0","type":"link"}