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(bob) wrote in message om...
(Dave Ramage) wrote in message . com...
Hello...hopefully someone may be able to diagnose this boiler problem:
and pump appear to work OK

This sounds like the boiler going out on High Temp, usually caused by
the pump failing.
Remove the large silver screw in the centre of the pump and insert a
screwdriver, gently, you should feel the pump rotating. A new one is
£40 + fitting

Bob,

Thanks for the suggestion. Just checked this and the pump is turning
OK- there was a plastic hex head screw in the centre that unscrews and
pops out a bit to allow manual turning. Got a heating engineer (?)
coming around this afternoon to quote so will see what happens...

Cheers,
Dave.