{"product_id":"potterton-combi-25-expansion-vessel-7l-7683801-prv-7683977","title":"Potterton Combi 25 Expansion Vessel 7 Litre + PRV – MPN 7683801 \u0026 768397625 Expansion Vessel 7L 7683801 + PRV 7683976","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eA boiler under pressure — literally — needs the right components to keep it safe. The \u003cstrong\u003ePotterton Combi 25 Expansion Vessel 7 Litre (MPN 7683801)\u003c\/strong\u003e paired with the \u003cstrong\u003ePressure Relief Valve (MPN 7683976)\u003c\/strong\u003e forms a complete pressure management solution for your heating system. Where the expansion vessel absorbs the thermal expansion of water as it heats up, the PRV acts as the final line of defence — releasing any dangerous pressure build-up before it can cause serious damage to your boiler's internal components.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eSold together as a matched set, these two genuine Potterton parts work in harmony to ensure your system operates safely, efficiently, and within its designed pressure parameters at all times.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: \u003cstrong\u003e7683801\u003c\/strong\u003e (Expansion Vessel) \u0026amp; \u003cstrong\u003e7683976\u003c\/strong\u003e (PRV)\u003c\/li\u003e\n\u003cli\u003eCapacity: \u003cstrong\u003e7 Litres\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable in Brand New or Seller Refurbished condition\u003c\/li\u003e\n\u003cli\u003eComes with \u003cstrong\u003e12 months warranty\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with Potterton Combi and System boiler models\u003c\/li\u003e\n\u003cli\u003eSKU: EXP-2063-A-BC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Boilers\u003c\/h3\u003e\n\u003ch4\u003eCombi Series\u003c\/h4\u003e\n\u003ctable style=\"width: 100.036%; height: 117.6px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 51.8294%; height: 19.6px;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"width: 45.7109%; height: 19.6px;\"\u003eGC Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 51.8294%; height: 19.6px;\"\u003eCombi 25\u003c\/td\u003e\n\u003ctd style=\"width: 45.7109%; height: 19.6px;\"\u003e47-393-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 51.8294%; height: 19.6px;\"\u003eCombi 25 LPG\u003c\/td\u003e\n\u003ctd style=\"width: 45.7109%; height: 19.6px;\"\u003e47-393-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 51.8294%; height: 19.6px;\"\u003eCombi 30\u003c\/td\u003e\n\u003ctd style=\"width: 45.7109%; height: 19.6px;\"\u003e47-393-59\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 51.8294%; height: 19.6px;\"\u003eCombi 30 LPG\u003c\/td\u003e\n\u003ctd style=\"width: 45.7109%; height: 19.6px;\"\u003e47-393-69\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 51.8294%; height: 19.6px;\"\u003eCombi 36\u003c\/td\u003e\n\u003ctd style=\"width: 45.7109%; height: 19.6px;\"\u003e47-393-67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSystem Series\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eGC Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem 12\u003c\/td\u003e\n\u003ctd\u003e41-594-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem 15\u003c\/td\u003e\n\u003ctd\u003e41-592-54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem 18\u003c\/td\u003e\n\u003ctd\u003e41-592-55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem 18 LPG\u003c\/td\u003e\n\u003ctd\u003e41-592-96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem 24\u003c\/td\u003e\n\u003ctd\u003e41-594-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem 24 LPG\u003c\/td\u003e\n\u003ctd\u003e41-594-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eQuality You Can Count On — Whatever the Condition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eEach set dispatched is either \u003cstrong\u003ebrand new\u003c\/strong\u003e or \u003cstrong\u003eseller refurbished\u003c\/strong\u003e — and either way, you're getting a part that's been fully tested and cleared for installation. Seller refurbished units are professionally restored to full working order and held to the same performance standards as new stock. Whichever condition you receive, it arrives backed by a \u003cstrong\u003e12-month warranty\u003c\/strong\u003e and ready to perform from day one.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDelivery \u0026amp; Returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eOrder before \u003cstrong\u003e3:00 PM\u003c\/strong\u003e for same-day dispatch. Returns accepted within \u003cstrong\u003e30 days\u003c\/strong\u003e, provided the part is unused and in its original packaging.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNote\u003c\/strong\u003e : Before ordering, please confirm that part numbers \u003cstrong\u003e7683801\u003c\/strong\u003e and \u003cstrong\u003e7683976\u003c\/strong\u003e match your existing components. Installation must always be carried out by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e to ensure safety compliance and warranty validity.\u003cbr\u003e\u003c\/p\u003e","brand":"Potterton","offers":[{"title":"Seller Refurbished","offer_id":47897588662437,"sku":"EXP-2063-A-BC","price":26.99,"currency_code":"GBP","in_stock":true},{"title":"Brand New","offer_id":47897588695205,"sku":"EXP-2063-A-BC-NEW","price":32.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/1690\/8453\/files\/Frame_13.png?v=1781628614","url":"https:\/\/ephsuppliers.com\/products\/potterton-combi-25-expansion-vessel-7l-7683801-prv-7683977","provider":"Elite Plumbing \u0026 Heating Suppliers Ltd","version":"1.0","type":"link"}