{"product_id":"vaillant-heat-exchanger-plate-o-ring","title":"Vaillant Heat Exchanger Plate O-Ring","description":"\u003ch2\u003e\u003cstrong\u003eHeat Exchanger Plate O-Ring\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eHeat Exchanger Plate O-Ring\u003c\/b\u003e is a high-temperature, pressure-resistant elastomeric seal designed to secure a watertight connection between the secondary plate heat exchanger and the hydraulic block. Engineered to withstand continuous thermal cycling, this crucial sealing component prevents water leaks under system pressure, ensuring domestic hot water and central heating water circuits remain completely isolated.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Grade Elastomeric Compound:\u003c\/b\u003e Manufactured from premium rubber to resist chemical degradation, scale build-up, and continuous exposure to high hot water temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLeak \u0026amp; Pressure Drop Prevention:\u003c\/b\u003e Replaces warped, flattened, or brittle seals to eliminate dripping under the boiler jacket, directly resolving chronic system pressure drops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecise Seating Geometry:\u003c\/b\u003e Molded to exact specifications to guarantee an immediate, secure compression seal within the hydro-block ports during exchanger installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHeat Exchanger Compatibility List\u003c\/h3\u003e\n\u003cp\u003eThese replacement O-rings are engineered specifically for the \u003cb\u003eDomestic Hot Water (DHW) Plate Heat Exchangers\u003c\/b\u003e of the following boiler models:\u003c\/p\u003e\n\u003ch4\u003e1. Compatible Vaillant Plate Heat Exchangers\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eVaillant Ecofit Pure 825, 830, 835 Combi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVaillant Sustain 825, 830, 835 Combi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVaillant Ecotec Exclusive 832, 835, 838, 843 Combi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVaillant Ecotec Plus 824, 825, 831, 832, 835, 837, 838 Combi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVaillant Ecotec Plus 937, 938 Storage Combi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVaillant Ecotec Pro 24, 28, 30 Combi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVaillant Home Combi 25, 30, 35\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":58278881984896,"sku":"A00120-02","price":3.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/7645\/8379\/files\/Image01_3b87ceb5-d2db-4f89-92f7-f6486a02bf2a.webp?v=1781663585","url":"https:\/\/www.aspares.co.uk\/products\/vaillant-heat-exchanger-plate-o-ring","provider":"Aspares","version":"1.0","type":"link"}