{"product_id":"ariston-3318077-coaxial-flue-extension-1000mm-60-100","title":"Ariston 3318077 Coaxial Flue Extension 1000mm (60\/100)","description":"\u003c!-- SEO Product Name: Ariston 3318077 Coaxial Flue Extension 1000mm (60\/100) --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eExtend the flue run on your Ariston condensing boiler with the \u003cstrong\u003egenuine Ariston Coaxial Extension\u003c\/strong\u003e (part number \u003cstrong\u003e3318077\u003c\/strong\u003e), a \u003cstrong\u003e1000mm length of 60\/100mm coaxial pipe\u003c\/strong\u003e designed to lengthen either the horizontal or vertical flue system without breaking the balanced-flue seal. Built to the same \u003cstrong\u003econcentric twin-wall design\u003c\/strong\u003e as the boiler's original flue kit, it carries combustion air in through the outer 100mm sleeve while exhaust gases vent safely through the inner 60mm pipe, keeping the whole run \u003cstrong\u003efully sealed and weatherproof\u003c\/strong\u003e from boiler to terminal.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThis extension is a core component of Ariston's \u003cstrong\u003e60\/100 flue accessory range\u003c\/strong\u003e, used to reach further wall or roof terminal positions on both \u003cstrong\u003ehorizontal Type 1\/Type 2 coaxial kits\u003c\/strong\u003e and \u003cstrong\u003evertical Type 3 systems\u003c\/strong\u003e routed through a pitched roof. It slots together with Ariston's push-fit coaxial joints, so \u003cstrong\u003eno cutting, sealant or extra fixings\u003c\/strong\u003e are needed to join it into the existing run.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px -4px; justify-content:center;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; min-width:120px; background:#008377CF; color:#FFFFFF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:bold; line-height:1.2;\"\u003e1000mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; margin-top:4px; opacity:0.92;\"\u003eExtension Length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; min-width:120px; background:#008377CF; color:#FFFFFF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:bold; line-height:1.2;\"\u003e60\/100mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; margin-top:4px; opacity:0.92;\"\u003eCoaxial Diameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; min-width:120px; background:#008377CF; color:#FFFFFF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:bold; line-height:1.2;\"\u003ePush-Fit\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; margin-top:4px; opacity:0.92;\"\u003eJointing Method\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; min-width:120px; background:#008377CF; color:#FFFFFF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:bold; line-height:1.2;\"\u003ePP\/Alu\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; margin-top:4px; opacity:0.92;\"\u003ePipe Construction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; min-width:120px; background:#008377CF; color:#FFFFFF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:bold; line-height:1.2;\"\u003eWhite\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; margin-top:4px; opacity:0.92;\"\u003eFinish\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; min-width:120px; background:#008377CF; color:#FFFFFF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:bold; line-height:1.2;\"\u003eGas Safe\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; margin-top:4px; opacity:0.92;\"\u003eInstall Requirement\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:4px solid #D32F2F; background:#FDECEC; border-radius:6px; padding:14px 16px; margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#D32F2F; margin-bottom:6px; font-size:15px;\"\u003eGas Safe Installation Required\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.6; color:#2B2B2B;\"\u003eThis flue extension forms part of a balanced flue system on a gas-fired appliance and must only be \u003cstrong\u003efitted by a Gas Safe registered engineer\u003c\/strong\u003e. The completed flue run must meet the boiler manufacturer's maximum permitted flue length and terminal clearance requirements before commissioning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px -6px;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:230px; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:6px; background:#F7FAFA;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#00625D; font-size:15.5px; margin-bottom:6px;\"\u003eConcentric Twin-Wall Design\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; line-height:1.55; color:#2B2B2B;\"\u003eCombustion air is drawn in through the outer pipe while exhaust gases vent through the inner pipe, keeping the balanced flue system sealed along its full length.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:230px; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:6px; background:#F7FAFA;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#00625D; font-size:15.5px; margin-bottom:6px;\"\u003eSimple Push-Fit Jointing\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; line-height:1.55; color:#2B2B2B;\"\u003eConnects to Ariston coaxial flue components using a push-fit joint, allowing the flue run to be extended without cutting, gluing or additional brackets.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:230px; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:6px; background:#F7FAFA;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#00625D; font-size:15.5px; margin-bottom:6px;\"\u003e1000mm Extension Length\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; line-height:1.55; color:#2B2B2B;\"\u003eAdds a full metre to the flue run, making it easier to reach a suitable wall or roof terminal position on installations where the standard kit falls short.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:230px; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:6px; background:#F7FAFA;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#00625D; font-size:15.5px; margin-bottom:6px;\"\u003e60\/100mm Coaxial Sizing\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; line-height:1.55; color:#2B2B2B;\"\u003eMatches the 60\/100mm diameter used across Ariston's core condensing boiler range, keeping flue resistance and terminal clearances consistent with the original kit.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:230px; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:6px; background:#F7FAFA;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#00625D; font-size:15.5px; margin-bottom:6px;\"\u003eHorizontal and Vertical Use\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; line-height:1.55; color:#2B2B2B;\"\u003eSuitable for extending both horizontal balanced-flue kits and vertical roof-terminated coaxial systems on compatible Ariston boilers.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:230px; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:6px; background:#F7FAFA;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#00625D; font-size:15.5px; margin-bottom:6px;\"\u003eWeatherproof White Finish\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; line-height:1.55; color:#2B2B2B;\"\u003eFinished in white to match Ariston's standard coaxial flue components for a neat, consistent appearance on exposed external runs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:4px solid #E0942A; background:#FFF6E5; border-radius:6px; padding:14px 16px; margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#E0942A; margin-bottom:6px; font-size:15px;\"\u003eCheck Boiler Model and Flue Type First\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.6; color:#2B2B2B;\"\u003eThis extension is designed for Ariston's \u003cstrong\u003e60\/100mm coaxial flue range\u003c\/strong\u003e and is not interchangeable with the \u003cstrong\u003e80\/125mm\u003c\/strong\u003e or \u003cstrong\u003etwin 80mm\u003c\/strong\u003e flue systems used on some other Ariston models. Always confirm the flue diameter fitted to your specific boiler before ordering, and check the boiler's maximum flue length allowance to ensure this extension does not exceed it when combined with other flue components already installed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:18px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:bold; font-size:14.5px; padding:9px 12px; border-radius:6px 6px 0 0;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eManufacturer\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eAriston\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003ePart Number\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003e3318077\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eProduct Type\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eCoaxial Flue Extension\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eExtension Length\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003e1000mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eFinish\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eWhite\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:18px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:bold; font-size:14.5px; padding:9px 12px; border-radius:6px 6px 0 0;\"\u003eFlue System\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eDiameter\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003e60\/100mm (coaxial)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eSystem Type\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eBalanced flue \/ room-sealed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eJointing\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003ePush-fit\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eSuitable Orientation\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eHorizontal or vertical\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:18px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:bold; font-size:14.5px; padding:9px 12px; border-radius:6px 6px 0 0;\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden;\"\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eCompatible Flue Range\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eAriston 60\/100mm coaxial flue accessories\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eTypical Boiler Ranges\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eGenus, Clas, E-Combi, E-System, Microgenus HE (60\/100 flue models)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:9px 12px; border-bottom:1px solid #D9EDEA; font-size:14.5px;\"\u003e\n\u003cdiv style=\"color:#5A5A5A;\"\u003eInstallation\u003c\/div\u003e\n\u003cdiv style=\"font-weight:bold; color:#2B2B2B; text-align:right;\"\u003eMust be fitted by a Gas Safe registered engineer\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:4px solid #008377CF; background:#E6F4F3; border-radius:6px; padding:14px 16px; margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:6px; font-size:15px;\"\u003eWorks With Horizontal and Vertical Systems\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.6; color:#2B2B2B;\"\u003eThe same 3318077 extension piece is used to lengthen \u003cstrong\u003ehorizontal coaxial flue kits\u003c\/strong\u003e and \u003cstrong\u003evertical roof-terminated systems\u003c\/strong\u003e, and pairs with components such as the Vertical Starter, Vertical Flue, 90°\/45° coaxial elbows, and flashing base caps in Ariston's 60\/100 accessory range.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; padding:10px 14px; background:#FFFFFF;\"\u003e\u003csummary style=\"font-weight:bold; color:#00625D; font-size:15px; cursor:pointer;\"\u003eWhich Ariston boilers is the 3318077 extension compatible with?\u003c\/summary\u003e\u003cdiv style=\"margin-top:8px; font-size:14.5px; line-height:1.6; color:#2B2B2B;\"\u003eIt is designed for Ariston condensing boilers fitted with the \u003cstrong\u003e60\/100mm coaxial flue system\u003c\/strong\u003e, including models across the Genus, Clas, E-Combi, E-System and Microgenus HE ranges. Always check your specific boiler's installation manual to confirm it uses the 60\/100mm coaxial flue before ordering.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; padding:10px 14px; background:#FFFFFF;\"\u003e\u003csummary style=\"font-weight:bold; color:#00625D; font-size:15px; cursor:pointer;\"\u003eCan this extension be used on a vertical flue run?\u003c\/summary\u003e\u003cdiv style=\"margin-top:8px; font-size:14.5px; line-height:1.6; color:#2B2B2B;\"\u003eYes. The 3318077 extension is used on both \u003cstrong\u003ehorizontal\u003c\/strong\u003e coaxial kits and \u003cstrong\u003evertical\u003c\/strong\u003e roof-terminated systems, where it is combined with components such as the vertical starter and vertical flue terminal.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; padding:10px 14px; background:#FFFFFF;\"\u003e\u003csummary style=\"font-weight:bold; color:#00625D; font-size:15px; cursor:pointer;\"\u003eHow does it connect to the existing flue?\u003c\/summary\u003e\u003cdiv style=\"margin-top:8px; font-size:14.5px; line-height:1.6; color:#2B2B2B;\"\u003eIt uses a \u003cstrong\u003epush-fit coaxial joint\u003c\/strong\u003e that connects directly to other Ariston 60\/100mm flue components, so no cutting or sealant is required. Installation should still only be carried out by a Gas Safe registered engineer.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; padding:10px 14px; background:#FFFFFF;\"\u003e\u003csummary style=\"font-weight:bold; color:#00625D; font-size:15px; cursor:pointer;\"\u003eIs there a shorter or longer version of this extension?\u003c\/summary\u003e\u003cdiv style=\"margin-top:8px; font-size:14.5px; line-height:1.6; color:#2B2B2B;\"\u003eYes. Ariston's 60\/100mm coaxial range also includes a \u003cstrong\u003e500mm extension\u003c\/strong\u003e and a \u003cstrong\u003e2000mm extension\u003c\/strong\u003e for the same flue system, allowing the run to be extended in different increments depending on the installation.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; padding:10px 14px; background:#FFFFFF;\"\u003e\u003csummary style=\"font-weight:bold; color:#00625D; font-size:15px; cursor:pointer;\"\u003eDoes adding this extension affect the maximum flue length for my boiler?\u003c\/summary\u003e\u003cdiv style=\"margin-top:8px; font-size:14.5px; line-height:1.6; color:#2B2B2B;\"\u003eYes, every extension added to a flue run counts towards the boiler's \u003cstrong\u003emaximum permitted flue length\u003c\/strong\u003e. Check your boiler's installation manual for the maximum allowance before adding this or any other extension.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Ariston","offers":[{"title":"Default Title","offer_id":65786681983325,"sku":"3318077","price":37.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/AristonCoaxialExtension1000mmmpn3318077.jpg?v=1788353499","url":"https:\/\/qualityheating.co.uk\/products\/ariston-3318077-coaxial-flue-extension-1000mm-60-100","provider":"AIZO Quality Heating","version":"1.0","type":"link"}