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hot water not hot just get warm then cold then warm?

any ???????????? help please

john
May 2008
Heating, Home Heating SystemsHot Water Warm Cold Help
bit more technical detail wouldnt of went a miss but my guess would be scaled/sludged up exchanger giving crap transfer of heat to passing water (your hot) but staying very hot in the boiler circuit so it cuts in and out.

iain
May 2008

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Hot Water Issues: Warm Then Cold - Help!