[PDF] Hints, Tips & Fault Codes - ATAG

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    ATAG

    Products

    Products

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    Support & Advice

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    Find your perfect boiler

    Find your perfect boiler

    iC Economiser combination

    iC Economiser combination

    iC Combination

    iC Combination

    iS System

    iS System

    iR Regular

    iR Regular

    Smart controls & thermostats

    Smart controls & thermostats

    Cylinders

    Cylinders

    Heat pumps

    Heat pumps Coming 2026

    Electric boilers

    Electric boilers Coming 2026

    Support & Advice

    Support Hub

    Support Hub

    Product manuals

    Product manuals

    Troubleshooting

    Troubleshooting

    ATAG Zone app

    ATAG Zone app

    ATAG ONE Zone

    ATAG ONE Zone

    ATAG Cube

    ATAG Cube

    ATAG Roomstat

    ATAG Roomstat

    TADO v3

    TADO v3

    FAQs

    FAQs

    Winter boiler care

    Winter boiler care

    Radiators

    Radiators

    Boiler Carousel Image INDUSTRY LEADING 18 YEARS WARRANTY Find out more Controls Carousel Image TAKE CONTROL WITH ATAG ONE ZONE Find out more Pig Carousel Image iC ECONOMISER SAVES YOU MONEY Find out more SAVE MONEY ON BILLS WITH AN ECONOMISER Find out more GasSafety Carousel Image STOP ILLEGAL GAS WORK Find out more Find a boiler that's right for your home arrow pointing right Boiler registration and warranty arrow pointing right Our product range at a glance arrow pointing right Energy Saving £ sign icon Save up to £500 on fuel bills per year [1] calendar icon Annual service from the experts recovery icon Economiser with built-in heat recovery technology speaker icon Our ATAG boiler range is quiet in operation control ion Smart tech heating your home and water leaf icon Built to last - with near-zero efficiency loss water droplet icon ATAG cylinders keeping your water hot for longer hydrogen icon Future proofed with 'Hydrogen Blend Ready' [1] Save up to £500 on gas bills when compared to leading competitor combi boiler moneyhelper.org.uk.

    Why ATAG?

    ErP 'A' rated saving money on your gas bills Hignest quality stainless steel and brass components At the heart of every ATAG boiler is our revolutionary and unrivalled iCon heat exchanger

    Why ATAG?

    ErP 'A' rated saving money on your gas bills Hignest quality stainless steel and brass components At the heart of every ATAG boiler is our revolutionary and unrivalled iCon heat exchanger

    Heating technology

    Quiet Mark logo

    The Economiser is so quiet it has been awarded the Quiet Mark of approval!

    smart phone showing ATAG app

    Update your heating timers on the go in the app

    Up to 18 year warranty icon

    So confident in our boilers we've given them an 18 year warranty! [2]

    [2] For more information, please view our terms & conditions.

    ATAG Partner Installers

    Gas Sate Register logo Gas Sate Register logo

    ATAG Partner Installers

    We only work with Gas Safe Registers installers

    Rated Excellent on Trustpilot banner Rated Excellent on Trustpilot banner Reviews

    Quiet and efficient boilers with good after-sales service

    Trustpilot 5 star review

    We replaced an old boiler that had reached the end of its useful life (repeated faults, difficulty in getting parts etc.) with a new ATAG boiler integrated with a new Tado smart thermostat system. [...]

    Bert C

    Reliable, quiet, long warranty, great boiler!

    Trustpilot 5 star review

    Was recommended this boiler by a local plumbing firm. Hadn't heard of Atag but a bit of research showed they have excellent reviews so took the leap. Circulation pump which previous setup gave [...]

    Bill

    Epic Service from Start to Finish

    Trustpilot 5 star review

    I emailed ATAG as my boiler had an issue. They sent someone out within 48 hours of the contact. Tommy who was a very professional and highly skilled technician from Harvey's diagnosed the problem and [...]

    Leon

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    ATAG Heating Technology UK Ltd. 1 Masterton Park, South Castle Drive, Dunfermline, KY11 8NX Privacy policy Cookie policy Complaints Terms & conditions

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