Recent content by Yogibear1066

  1. Y

    Error F 75 Vaillant EcoTec plus 831

    Luckily he got caught in traffic, called to say he wouldn't make it until Monday, so it gave me chance to cancel.
  2. Y

    Error F 75 Vaillant EcoTec plus 831

    Hi folks, When I turn both taps to pressurise the system, I can't hear any water flowing into the boiler. I've removed one side of the permanent loop and water is flowing ok. Engineer is on his way and says most likely it is a stuck one way valve on the loop. He will fit a new loop for £120...
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