{"product_id":"vaillant-1970mm-60-100mm-flue-extension-303905-push-fit","title":"Vaillant 1970mm 60\/100mm Flue Extension | 303905 | Push-Fit","description":"\u003c!-- SEO Product Name: Vaillant 1970mm 60\/100mm Flue Extension | 303905 | Push-Fit --\u003e\n\u003cdiv style=\"font-size: 16px; max-width: 900px; margin: 0 auto; font-family: Arial, Helvetica, sans-serif; color: #222; line-height: 1.6;\"\u003e\n\u003cp style=\"margin: 0 0 18px;\"\u003eThe \u003cstrong\u003eVaillant 1970mm flue extension\u003c\/strong\u003e is a genuine \u003cstrong\u003e60\/100mm concentric air\/flue duct\u003c\/strong\u003e designed to extend compatible Vaillant boiler flue systems. It provides installers with greater flexibility when routing a \u003cstrong\u003ehorizontal or vertical flue\u003c\/strong\u003e around building constraints, helping achieve a compliant termination position without compromising system performance.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 22px;\"\u003eManufactured in durable \u003cstrong\u003epolypropylene (PP)\u003c\/strong\u003e, this \u003cstrong\u003e2 metre nominal extension\u003c\/strong\u003e uses Vaillant’s push-fit flue system for straightforward assembly. It is suitable for use between flue components such as elbows, vertical adaptors and terminals, and can be shortened on site where the installation requires a precise length.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 22px;\"\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf;\"\u003e1970mm\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eExtension length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf;\"\u003e60\/100mm\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eConcentric duct\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf;\"\u003ePP\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003ePolypropylene construction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf;\"\u003ePush-fit\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eConnection system\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf;\"\u003e303905\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eManufacturer part number\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf;\"\u003eH\u0026amp;V\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px;\"\u003eHorizontal or vertical use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #d9534f; background: #fdf3f2; padding: 12px 14px; border-radius: 6px; margin: 0 0 12px;\"\u003e\n\u003cstrong style=\"color: #b02a25;\"\u003eSafety and installation:\u003c\/strong\u003e Flue systems must be installed by a competent person in accordance with the boiler manufacturer’s instructions and applicable UK regulations. Always confirm the permitted flue length, support requirements and termination position for the specific boiler before installation.\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #f0ad4e; background: #fff8e7; padding: 12px 14px; border-radius: 6px; margin: 0 0 12px;\"\u003e\n\u003cstrong style=\"color: #8a6100;\"\u003eCompatibility note:\u003c\/strong\u003e This extension is intended for compatible Vaillant \u003cstrong\u003e60\/100mm concentric flue systems\u003c\/strong\u003e. Check the boiler model, flue configuration and maximum permitted duct length before ordering.\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #008377CF; background: #f2fbf9; padding: 12px 14px; border-radius: 6px; margin: 0 0 24px;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eInstaller tip:\u003c\/strong\u003e The duct can be shortened where required. Support each extension with a suitable pipe clamp and follow the flue manufacturer’s guidance on gradients, joints and maximum unsupported lengths.\u003c\/div\u003e\n\u003cdiv style=\"font-size: 18px; font-weight: bold; color: #008377cf; border-bottom: 2px solid #008377CF; padding-bottom: 6px; margin: 0 0 14px;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 24px;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 6px;\"\u003eExtended Flue Reach\u003c\/div\u003e\nAdds up to \u003cstrong\u003e1970mm\u003c\/strong\u003e of duct run, giving greater freedom to position the boiler and achieve a suitable flue termination.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 6px;\"\u003e60\/100mm Concentric Design\u003c\/div\u003e\nThe \u003cstrong\u003e60\/100mm diameter\u003c\/strong\u003e concentric duct combines the air intake and flue gas discharge within one system.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 6px;\"\u003eDurable Polypropylene\u003c\/div\u003e\nConstructed from \u003cstrong\u003ePP\u003c\/strong\u003e, a robust material suited to modern condensing boiler flue applications.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 6px;\"\u003ePush-Fit Assembly\u003c\/div\u003e\nDesigned for Vaillant’s \u003cstrong\u003epush-fit flue system\u003c\/strong\u003e, supporting efficient installation and secure joint assembly.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 6px;\"\u003eHorizontal or Vertical Use\u003c\/div\u003e\nSuitable for use in compatible \u003cstrong\u003ehorizontal and vertical flue installations\u003c\/strong\u003e, including runs between elbows and vertical components.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 260px; min-width: 260px; border: 1px solid #ddd; border-top: 4px solid #008377CF; border-radius: 8px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 6px;\"\u003eCan Be Shortened\u003c\/div\u003e\nThe extension can be cut to length on site, allowing a neater fit where a full \u003cstrong\u003e1970mm\u003c\/strong\u003e run is not required.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 18px; font-weight: bold; color: #008377cf; border-bottom: 2px solid #008377CF; padding-bottom: 6px; margin: 0 0 14px;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden; margin: 0 0 24px;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 10px 14px;\"\u003eProduct Identification\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003eVaillant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7fbfa;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eManufacturer part number (MPN)\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003e303905\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eEAN\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003e4024074398043\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; background: #f7fbfa;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eProduct type\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003eConcentric air\/flue duct extension\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 10px 14px;\"\u003eDimensions and Construction\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eNominal length\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003e1970mm (2.0m nominal extension)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7fbfa;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eDuct diameter\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003e60\/100mm concentric\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eMaterial\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003ePolypropylene (PP)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; background: #f7fbfa;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eColour\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003eWhite\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 10px 14px;\"\u003eInstallation and Compatibility\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eConnection type\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003ePush-fit\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5; background: #f7fbfa;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eInstallation orientation\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003eHorizontal or vertical, where compatible\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eTypical use\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003eBetween flue elbows, vertical adaptors and vertical terminals\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; background: #f7fbfa;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; font-weight: bold;\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.4; padding: 10px 14px;\"\u003eCompatible Vaillant 60\/100mm concentric flue systems\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 18px; font-weight: bold; color: #008377cf; border-bottom: 2px solid #008377CF; padding-bottom: 6px; margin: 0 0 14px;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 14px; cursor: pointer;\"\u003eWhat is the length of this Vaillant flue extension?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px;\"\u003eThis extension provides a duct length of \u003cstrong\u003e1970mm\u003c\/strong\u003e. It is commonly described as a \u003cstrong\u003e2 metre\u003c\/strong\u003e or \u003cstrong\u003e2.0m\u003c\/strong\u003e flue extension.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 14px; cursor: pointer;\"\u003eWhich flue size does it suit?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px;\"\u003eIt is designed for \u003cstrong\u003e60\/100mm concentric air\/flue systems\u003c\/strong\u003e, with a 60mm inner flue duct and 100mm outer air duct.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 14px; cursor: pointer;\"\u003eCan the extension be cut to size?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px;\"\u003eYes. The extension can be \u003cstrong\u003eshortened on site\u003c\/strong\u003e where the required flue run is less than the full 1970mm length. Follow the boiler and flue installation instructions when cutting and assembling the system.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 14px; cursor: pointer;\"\u003eCan it be used horizontally and vertically?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px;\"\u003eYes, it is suitable for compatible \u003cstrong\u003ehorizontal and vertical Vaillant flue installations\u003c\/strong\u003e. The final configuration must comply with the permitted flue route and maximum length for the boiler being installed.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 14px; cursor: pointer;\"\u003eDoes it need additional support?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px;\"\u003eYes. Flue extensions should be adequately supported with suitable \u003cstrong\u003epipe clamps\u003c\/strong\u003e, following the spacing and fixing requirements set out in the relevant Vaillant installation instructions.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #008377CF; border-radius: 8px; margin: 0 0 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; font-weight: bold; padding: 12px 14px; cursor: pointer;\"\u003eWho should install this product?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px;\"\u003eA competent heating engineer should install the flue extension in line with the boiler manufacturer’s instructions and applicable UK building and gas safety requirements.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":67628077449606,"sku":"303905","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Vaillant_1970mm_60_100mm_Flue_Extension.jpg?v=1792063391","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-1970mm-60-100mm-flue-extension-303905-push-fit","provider":"AIZO Quality Heating","version":"1.0","type":"link"}