got a Worcester 24CDI CH OK When in DHW mode boiler makes a banging noise suspect air, but flow rate & Temp ok, pressure gauge fluctuates wildly
noisy boiler
- Thread starter Alan Carruthers
- Start date
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Do you mean the air release valve ?
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What isolating valve???? As i said flow rate and water temp ok. There is no isolating valve on hot water outlet. Cold Water inlet opened and stop cock nothing restricting flow to appliance.
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