Hi All, I have a problem with my 24CDi boiler in that when the central heating comes on the pressure slowly builds up the longer it is running to over 3 Bar. Nothing is coming out of safety overflow,so I assume I need a new pressure relief valve but any ideas what is causing the pressure to increase and how do I cure it? It has only just started to happen in the last few days and I keep switching boiler off when it happens.
Worcester 24CDi RSF pressure fault
- Thread starter olman68
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