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  1. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Hi, well what a day! We had a huge leak from one of the pipes under the floor where an incorrectly fitted pushfit connection had popped off, and the boiler was flushing water (and trying to heat it) out under the floor straight to ground. The plumber had to remove part of the kitchen cabinets...
  2. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Fair enough and no worries! Thanks so much for all your help though. You’ve pretty much given your evening to helping me!
  3. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Tried this but didn’t work. It does click when you switch between on and off. I also noticed the neutral connection was really loose, so re did this but still no joy. Going by the rubbish connection on the neutral, I wouldn’t be surprised if the connections inside the boiler are bad. Am I able...
  4. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Just googled salus 520 and found this!
  5. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Probably same yes as the email address for support in the manual is a Salus one. Well I tried switching to manual and off, but this doesn’t turn heating off. So hopefully its a simple wiring issue and not anything else on the boiler?
  6. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Yes, and the flame symbol too
  7. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Well I was able to remove the receiver ok, and the boiler doesn’t seem to be doing the anti cycling anymore with (the egg timer symbol). But the heating is still permanently on even when the thermostat is set to off, and the light on the receiver turns off.
  8. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Ahh interesting. There is a separate transmitter and receiver which is an instinct Instrt520RF. Could this cause a problem if the old receiver is still attached?
  9. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Hi, thanks for your replies. Just leaving work so will post back later with the thermostat info. Do you know what the button on the front where the interchangeable panel is? It has a red light, but the only pic i could find of one on the internet was showing a green light. It seems lots of the...
  10. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Hi, no I don't believe it is.
  11. W

    Vaillant Ecotec Pro 28 Anti Cycling and Other Issues

    Hi We recently moved into a new property, don't know how old the boiler is but recently all the radiators were replaced. There is a new remote room thermostat added as well. First problem is when the thermostat says it's not calling for heat, the boiler is constantly firing up and the...
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