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    Valiant 831 - No hot water in Bathroom

    Thanks Yes hot water fine in the kitchen. The bath tap is a mixer, not sure if it's thermostatic. The boiler indicates that hot water is running and the temperature indicates that it's going up. ...??
  2. G

    Valiant 831 - No hot water in Bathroom

    We haves Vaillant EcoTec 831 boiler. Heating works but I think the radiators need bleeding. Biggest problem is no hot water in the bathroom. It will run to a luke warm temperature for approx 1-2mins. Then runs cold. Any suggestions on what the problem may be or how to test/fix it...
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