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The brother and I have similar setups, same boilers and ufh. His boiler is 2021 whereas mine is 2023 if that makes any difference (identical make and model) My boiler flow is set to 62 and at mixer to 45, when system is running the boiler flow displays 62 and mixer displays 45. His boiler is...

My new Vaillant Ecotec Plus 637 system is cycling constantly, despite reducing flow temperature and adjusting settings. Details of the system Vaillant Ecotec Plus 637 boiler 250L megaflow water tank 6-port manifold underfloor heating (4 ports as 1 main zone + 2 individual zones) coverage an...

Hi, - I’m new here and wondering if someone could help? I’ve spent an fortune upgrading my heating to a Vaillant system boiler including a boiler protection kit which my understanding extends guarantee to 10 years however the installer did not include the boiler protection kit as part of the...