{"product_id":"grant-yellow-system-low-level-extension-225mm-12-26kw-x90s","title":"Grant Yellow System LOW Level Extension 225mm 12\/26kw X90S","description":"\u003cp\u003eThis 225mm low level extension is part of the Grant Yellow System, suitable for extending balanced flue runs on Vortex and VortexBlue boilers. Designed for use with all compatible Grant internal and boiler house models, it allows installers to adapt flue configurations to suit individual wall thickness requirements.\u003c\/p\u003e\u003cp\u003eSupplied in a metallic finish, the extension integrates into the existing flue system to facilitate proper boiler venting. Typically applied when additional length is needed beyond the standard flue kit, it is a practical solution for site-specific boiler installations where flue routing flexibility is required.\u003c\/p\u003e","brand":"Huws Gray","offers":[{"title":"Default Title","offer_id":53107032195408,"sku":"U0103420","price":63.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/5417\/9408\/files\/d2a786721bec3f85b2f23ddb7183706f.jpg?v=1780566868","url":"https:\/\/totalsite.supply\/products\/grant-yellow-system-low-level-extension-225mm-12-26kw-x90s","provider":"Total Site Supply UK","version":"1.0","type":"link"}