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  1. S

    Vaillant Ecotec 630

    Thanks but have tried that, won't fire unless hotwater and heating are both on, if we switch heating to off on programmer - no hot water. Frustrating!!
  2. S

    Vaillant Ecotec 630

    We don't have a room thermostat only the two controls on the boiler, I suppose we could turn all the rads off, but not ideal
  3. S

    Vaillant Ecotec 630

    Hello We have a Vaillant Ecotec plus 630 boiler and want to have hot water without any heating. We have turned the heating control knob down as in the manual but the boiler doesn't then ignite and we have no hot water. Seems the only way to have hot water is to have the radiators on - not...
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