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    ravenheat combi not modulating properly ?

    i have a ravenheat 25/25 and as it warms up it it makes some clicking noises (relays i presume) and justs keeps switching itself on and off continually. it seems to happen on both CH and DHW although it is worse on DHW. anybody any ideas?
  2. B

    Boiler cuts out/comes straight back on

    Can anybody please help me. I have a Ravenheat RSF 25/25. When I switch on the HW or CH the boiler flame keeps knocking off and coming straight back on again resulting in a noise which i can only describe as a persistent "whoosh". It doesn't happen straight away - after a couple of minutes...
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