Recent content by Simon_NoWH

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    Vaillant Hot Water Mode

    The potterton unit is no longer attached. This has been replaced by a tado extension attached to the + and - terminals of the eBus as instructed by tado.
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    Vaillant Hot Water Mode

    I enclose some pictures below:
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    Vaillant Hot Water Mode

    I don’t know. How do I tell? I imagine the whole thing was working fine before the old owners moved out? The boiler was controlled by a Honeywell evohome system. This was wired to a thermostat BDR91A1000 and a Potterton EP2 controller was attached, but the potterton didn’t seem to control...
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    Vaillant Hot Water Mode

    I have just bought a house with a Vaillant ecoTec 637. The previous owner had some terrible Honeywell system installed but took all the controllers. So I can’t control the system, and in particular I can’t get the hot water on, no matter what I do. I had previously used a tado system, so I have...
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