Combi boiler issues

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Combi boiler issues

Post by Macsandy » Wed Aug 22, 2018 2:43 pm

Hi, just had two repairs on our combi boiler to fix a leak. The last engineer was here for over 5 hours and took the whole boiler apart. The leak appears to be fixed. But every time we flush a loo or run a Cold water tap the boiler comes on?
I have another bg engineer coming tomorrow to try to fix. I have read that it is air trapped somewhere but could it be something that was done to the boiler, seems very coincidental that this has just started now?

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Re: Combi boiler issues

Post by gas4you » Thu Aug 23, 2018 11:35 pm

Sounds like a dead leg full of air.

Run all taps and washing machine/ dishwasher outlets then see if this cures it
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