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Mend Alpha 280e Boiler Heating Diverter

noise on alpha 280e?

when hot water or heating starts on the boiler sounds like a plane is taking off the stops after around 3-5 minutes.changed diverter & auto bypass.also changed the pump? any help please?

pat g
September 2008
AlphaAlpha 280eHeating, Home Heating SystemsBoiler Heating Diverter
Hi
Have the same problem on mine, boiler fires up at 6.30 in the morning then 7 mins later the noise starts.
suspected at first the fan flue (see previous reply).
however as the noise always starts 7 mins after boiler firing i can only assume its something to do with trhe modulation of the burner flame. hope this helps.

Simon Mills
November 2008
similar problem on mine and i suspect its the flue fan

simon mills
October 2008

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Alpha 280e Boiler Noise - Help & Advice