Hi my combi has started making a whistling noise after you turn the hot water off and the boiler converts back to heating ( it only lasts for a few seconds ) . my service guy is due at the end of Jan , should I get him faster could it be dangerous ?
combi whistleing noise
- Thread starter micpwelsh
- Start date
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H
holty
especially on that make boiler 
H
holty
was going to say the 105e instant. the one with preheat. whistles very loud after a water demand to recharge the preheat store. an effin nuisance but not dangerous. a fecker to sort out an all if your not familiar with this boiler, and water damage to the pcb. enough said
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