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Mend Ravenheat RSF820/20 Boiler Heating

water leaking from top off boiler, expansion valve ????

when boiler is primed there is a great lose of water from the top left corner, expansion valve I guess, what could be the problem. its a ravenheat rsf820/20 boiler of some age

rob at stourbridge
August 2009
RavenheatRavenheat RSF820/20Heating, Home Heating SystemsBoiler Heating Ravenheat
Sounds like your automatic air valve is leaking, this will need to be replaced. Pretty standard fitting and costs about £10.

John
August 2009

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