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Mend Ravenheat RSF 820/20 Boiler Fine Heating

ravenheat RSF 820/20 boiler?

The boiler operates fine with the central heating but does not flare up when you turn the hot tap on

dominic riley
September 2007
the diaphram has probably rotted through or at least split so the flow of water is not registered

gmg heating
September 2007

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