{"product_id":"universal-expansion-vessel-repair-kit-kit-2-for-5113000-248772-5114691-181051-87161425000","title":"Universal Expansion Vessel Repair Kit (Kit 2) for 5113000 248772 5114691 181051 87161425000","description":"\u003ch1\u003e\u003cspan\u003eUniversal Expansion Vessel Repair Kit (Kit 2) 5113000 248772 5114691 181051 87161425000\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUniversal Expansion Vessel Repair Kit (Kit 2)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a servicing kit designed to assist with the maintenance and re-pressurisation of compatible boiler expansion vessels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis repair kit is designed to replace commonly required valve components used within expansion vessel servicing, helping restore correct pressure control within sealed heating systems without the need to replace the complete expansion vessel assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe expansion vessel plays an important role in maintaining stable heating system pressure by absorbing water expansion as the system temperature increases. A correctly functioning expansion vessel helps reduce pressure fluctuations and supports reliable boiler operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Servicing Requirements\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExpansion vessels operate using an internal diaphragm and air charge to manage pressure changes within a sealed heating system. Over time, valve components may become worn, damaged, or require replacement during maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTypical reasons for using an expansion vessel repair kit include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLoss of correct expansion vessel pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDamaged or leaking valve components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDifficulty maintaining stable boiler pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoutine maintenance of expansion vessel components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eServicing of compatible heating systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis kit is intended for servicing purposes and may help restore correct expansion vessel operation when compatible components are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKit Contents\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe kit includes components designed for expansion vessel servicing, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eValve core components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eValve removal tool\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eValve extension component\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease refer to the product images for the exact contents supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Part Numbers:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e5113000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e248772\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5114691\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e181051\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e87161425000\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis repair kit is designed for use with compatible boiler expansion vessels across selected heating system ranges, including systems using the above reference numbers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease strictly verify the part numbers against your boiler's technical manual, exploded parts diagram, or existing expansion vessel components before ordering to guarantee compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBoiler pressure components require correct installation and testing. Servicing of expansion vessels and heating systems should be carried out by a suitably qualified heating engineer in accordance with current safety regulations and manufacturer instructions.\u003c\/em\u003e\u003c\/p\u003e","brand":"National Boiler Spares","offers":[{"title":"Default Title","offer_id":44364579242087,"sku":"N2248","price":7.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/N2248.jpg?v=1786009250","url":"https:\/\/nationalboilerspares.co.uk\/products\/universal-expansion-vessel-repair-kit-kit-2-for-5113000-248772-5114691-181051-87161425000","provider":"National Boiler Spares","version":"1.0","type":"link"}