Whirring boiler. Stops when hot tap turned on

houstonwehaveaproblem · 24 Oct 2017

vailant combi

Thought it was airlock, have bled the rads. Still happening.

Any ideas? Thanks

dan2071 · 24 Oct 2017

Is it a deep humming / vibrating noise? If it is, it could be the heat exchanger. The 360 heat exchangers are known for this.

Dan

houstonwehaveaproblem · 25 Oct 2017

Thanks

Its like a groaning noise. Not massively loud.

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Whirring boiler. Stops when hot tap turned on

houstonwehaveaproblem

dan2071

houstonwehaveaproblem

DIYnot Local

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