My Worcester 28CDI works ok on central heating but when i
- Thread starter Steve7uk
- Start date
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better get a gas engineer out to fix it then!
Diaprhagm in divertor valve. Not an easy job though.
As already stated could be the diaphragm or the microswitch.
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90%+ likely to be the diaphragm. Most engineers dislike the job of fitting a new one as it does involve a fair bit of component removal to gain access to the housing. Parts are cheap, but the labour will mount up. A diyer will struggle to do this and is best left to a pro. I have done one in an hour, but it can take a lot longer.
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