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    Heres a weird one for you guys to ponder

    Got a Ravenheat RSF 820/20. Its had a new pump and a new diverter valve this year. I have a problem that shortly after the heating fires up it starts to make a weird whining noise. After about twenty seconds of this noise starting the heating system switches off. I have tried to diagnose this...
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    Ravenheat RSF 820/20 Whing Noise

    Hi I have put the central heating on this morning for the first time in a couple of months and the boiler started to make a whining noise. I thought it might be the fan so I stripped it down and gave everything a good clean. However it was not the fan as the noise is still present. The...
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