Hi all, I'm getting a hissing, boiling noise from my Worcester 230 when using dhw, it only happens when the ch is on and not all the time. The noise takes a few secounds to appear then gradually gets louder and the other day the boiler cut out(overheated?) could it be a valve or the pump? Any ideas on how to diagnose would be much appreciated. Cheers Darren
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Hissing worcester 230
- Thread starter daz38
- Start date
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