{"product_id":"wessels-2210400-fxa-400-wg-expansion-tank-replacement-bladder","title":"Wessels 2210400 FXA-400-WG Expansion Tank Replacement Bladder","description":"\u003cp\u003eMaintain optimal pressure control in your closed-loop heating or chilled water system with this durable replacement bladder. Designed specifically for the Wessels \u003cstrong\u003eFXA-400-WG\u003c\/strong\u003e expansion tank, part number \u003cstrong\u003e2210400\u003c\/strong\u003e, this high-quality component ensures your system remains properly pressurized during thermal expansion and contraction cycles.\u003c\/p\u003e\u003cp\u003eThe bladder acts as a flexible barrier within the expansion tank, effectively separating the system fluid from the air cushion. By absorbing excess fluid volume as temperatures rise, the bladder prevents dangerous pressure spikes and helps extend the lifespan of your pumps, piping, and heat exchangers.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Regulation:\u003c\/strong\u003e Maintains system stability by absorbing volumetric changes during thermal cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Separation:\u003c\/strong\u003e Prevents system water from contacting tank air, reducing corrosion and oxygen absorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Integrity:\u003c\/strong\u003e Built to withstand the chemical demands of standard HVAC closed-loop hydronic fluids.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial HVAC, hydronic heating circuits, chilled water loop maintenance, and large-scale industrial fluid expansion management.\u003c\/p\u003e","brand":"Wessels","offers":[{"title":"Default Title","offer_id":43136528973918,"sku":"FXA-400-WG","price":2561.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/FXA_400_WG_image_87918134-3f25-4668-9c2b-c00f11d37d45.jpg?v=1786140771","url":"https:\/\/nationalboilersupply.com\/products\/wessels-2210400-fxa-400-wg-expansion-tank-replacement-bladder","provider":"National Boiler Supply","version":"1.0","type":"link"}