Hot water taps shut off if not watched?


Postby cdk7474 » Sun Jan 25, 2009 2:30 pm

Please can anyone advise? We have a Potterton performa combi-boiler and when we turn the taps on for hot water they will stop giving hot water unless we stand there and keep turning them a bit as they try to turn off. This happens on all of the hot taps in the house. The boiler has recently had 2 diaphrams replaced but it has been doing this even before then. any suggestions please ?
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Postby plumbbob » Sun Jan 25, 2009 9:21 pm

This is not an uncommon phenomena and is caused by the rubber washer expanding as it is heated by the flowing hot water. Even my own taps here do that.
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Postby cdk7474 » Tue Jan 27, 2009 7:13 am

Thanks for that Bob, at least I know now that I'm not the only one who has this kind of thing happening.
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