{"product_id":"grant-white-system-high-level-vertical-extension-450mm-12-26kw-extk09450-90","title":"Grant White System High Level Vertical Extension 450mm 12\/26kw EXTK09450\/90","description":"\u003cp\u003eThis high level vertical extension is designed for use with oil boiler systems, providing a 450mm section to extend an existing flue setup. Finished in white, it integrates into system configurations where additional flue height or reach is required.\u003c\/p\u003e\u003cp\u003eTypically fitted on site as part of maintenance, upgrades, or new boiler installations, the extension assists with safe routing of combustion gases from oil-fired heating appliances. It is suitable for system adaptations where flue alignment or length adjustments are necessary during installation or refurbishment work.\u003c\/p\u003e","brand":"Huws Gray","offers":[{"title":"Default Title","offer_id":53107031507280,"sku":"U0103437","price":81.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/5417\/9408\/files\/024de44661e4a926f68acdc4809d4a17.jpg?v=1780566831","url":"https:\/\/totalsite.supply\/products\/grant-white-system-high-level-vertical-extension-450mm-12-26kw-extk09450-90","provider":"Total Site Supply UK","version":"1.0","type":"link"}