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"Combis- leaking diverter valve. Not a massive problem."
Answered on 2nd Sep 2022 - Member since Aug 2022 -
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"As a heating engineer I have no issues with Vaillant boilers I have fitted them for many years"
Answered on 2nd Sep 2022 - Member since Jul 2022 -
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"Lack Pressure lose, lack of water or combination or both. We need to check leaks"
Answered on 2nd Sep 2022 - Member since Aug 2022 -
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"Vaillant boilers are prone to pretty much the same issues as any other leading brands of boiler.
As long as a boiler is correctly installed and maintained then issues will be minimal, as with all installations.
Vaillant are one of the leading brands of boilers, and I would recommend them"
As long as a boiler is correctly installed and maintained then issues will be minimal, as with all installations.
Vaillant are one of the leading brands of boilers, and I would recommend them"
Answered on 4th Sep 2022 - Member since Jul 2022 -
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"All sorts, pcbs, diverter valves, expansion vessel etc etc. Overated boilers"
Answered on 1st Dec 2022 - Member since May 2020 -
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"When getting old you will have issues I have as intermittent hot water problem, this is due to the scale on the calorifier, not getting enough heat for your central heat is"
Answered on 2nd Sep 2022 - Member since Apr 2016 -
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"Vaillant are outstanding boilers. If not the best on the market. The trouble with these and many others is water quality, if the system is clean and has corrosion inhibitor added and maintained then they will be more or less fault free. The only gripe I have is the water pressure sensor which will give F75 fault code. Very simple repair and should be less than £100 total"
Answered on 2nd Sep 2022 - Member since Jul 2019 -
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"In general very good reliable boilers will occasionally have a F75 fault which 9-10 times will be a sensor issue but resolved very quickly & easily"
Answered on 2nd Sep 2022 - Member since Jul 2020 -
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"hiya..i used to work for valliant and the boilers are good if installed correctly..one issue that i have come across is the installers fit the expansion prv pipe below the right hand corner of older models and block the removal of cleaning the condensate trap.the newer models are inside and releaseeasily,,,,hope this helps..installation is the key to a good boiler,,regards,,Dalesons"
Answered on 2nd Sep 2022 - Member since Aug 2022 -
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