Recent content by Wirelessroamer

  1. W

    Vaillant ecoTEC 428 Not igniting

    Hi Chris. Status the same. I have to get up early to fire up the Burner. HW Thermostat is new and I lowered the setting before I ran the HW only test yesterday. HW temp dropped in response. CH Thermostat is a Towerstat Wireless one. If I raise the demand temp during a heating cycle it stops the...
  2. W

    Vaillant ecoTEC 428 Not igniting

    Boiler is working in an old vented system with roof tank and was comissioned 10 years ago. It has been serviced annually, last time Oct 2020. House has 10 radiators. 4Bed Detached. For several years I have had problems with my CH and HW systems which I put down to a faulty 3 way Divertor...
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