Recent content by madnessx9

  1. madnessx9

    Vaillant EcoFIT boiler temperature fluctuates up and down

    this can be deleted, after bleeding the rads this morning, it felt like I had perfect balance with the pipes, the boiler kept a stable temp and hummed along nicely, so clearly the behaviour we are seeing is due to to the air in the system, getting someone to look at it.
  2. madnessx9

    Vaillant EcoFIT boiler temperature fluctuates up and down

    Wondering if anyone can tell me if this is normal behaviour, I'm assuming no. Bit of a back story, we are based in military accommodation, there is a company who deal with all maintenance requests, they are useless will half a job anything and I just need some confirmation this is an actual...
  3. madnessx9

    Boiler replaced not turning off after CH demand from nest has ceased

    Okay, this is a fun one. Tested terminals, as soon as it was powered on hot water relay was on, sounds like stuck relay like you said tried to turn it off and on no change, always powered on both hot water and heating set to off on the unit. I was having issues connecting to the nest via the...
  4. madnessx9

    Boiler replaced not turning off after CH demand from nest has ceased

    Hey, you may be right, I only see one valve at the hot water tank, perhaps the other is above the boiler itself, one of the engineers muttered something like this the other day as they came back to clear the condenser pipe which was blocked, they failed to check when installing. So year...
  5. madnessx9

    Boiler replaced not turning off after CH demand from nest has ceased

    Hey, sorry, had notification of first 2 replies and then nothing, thought I'd check back and many replies. I believe it is an Y - Plan Will be interesting to try and test that relay in the nest, will investigate, I know the valve has been looked at twice by engineers as the boiler was done...
  6. madnessx9

    Boiler replaced not turning off after CH demand from nest has ceased

    It could be intermittent but I have tried several times with the same result, I was trying to enable hot water only and then CH etc and then the first time the old programmer is on it works flawlessly. Its a 3rd generation Nest so has a button on the face to manually turn on and off but the...
  7. madnessx9

    Boiler replaced not turning off after CH demand from nest has ceased

    Which does not stick with the old programmer installed?
  8. madnessx9

    Boiler replaced not turning off after CH demand from nest has ceased

    Hey, Had our old boiler replaced which had a fully working nest setup for years, currently with new boiler when the nest ends the heating or hot water demand the boiler carries on heating and I've left this for 20 minutes with no change, I've had to switch it off to make it stop and then after...
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