Recent content by DavidGJ

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    Vaillant Combi DHW Microswitch

    I put a post on here a few days ago re a Turbomax VUW 242/1/E with no HW except when the CH was on. I had some advice from DP which mentioned a white plastic arm possibly broken or in need of adjustment. Having a fiddle last night, I discovered a black plastic arm with a brass pivot on the...
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    Vailant Combi Boiler - No Hot Water

    Thanks guys, good news is Welsh Water have agreed to repair the boiler and are putting a filter on the stop cock to make sure it doesn't happen again - as I was the only one in the street without one already they couldn't argue much. "Sifu" Good idea on the BG maintenance.... had planned to do...
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    Vailant Combi Boiler - No Hot Water

    Sorry DP.... Its a Turbomax VUW 242/1/E I have checked through the fault diagnosis sheets in the manual and the problem is definately in the cold water inlet area as the DHW microswitch is not operating when the hot water tap is turned on.... but the boiler kicks in fine if I flick the switch...
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    Vailant Combi Boiler - No Hot Water

    I have the same problem as another post here.... hot water only when heating is on. Could this have been caused by deposits in the water supply??? Since work on the water mains four months ago, we have had black particles in our water supply, but so far only evident in the cold water to the...
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