how can i fix my boiler warmflow b series?

have turn my heating off but the rads upstair keep getting warm and the pipies from the boiler also why is this

MAUREEN
March 2017

I think Good Luck, below, has missed the point. You say your OVERFLOW is dripping - One assumes you mean the 15mm vent pipe that goes outside the building to discharge in the event of over-pressure in the system.

Good Luck appears to be referring to the flue vent which, as he suggests may emit steam and may well drip if it wasn't installed with a proper backwards slope.

Can you confirm it is the pressure relief pipe that is dripping and not the flue?

Dunno if this relates to your exact boiler but it makes interesting reading:

http://www.ukplumbersforums.co.uk/central-heating-forum/13681-warmflow-combi-boiler.html

In your case, it is possible the pressure relief valve is leaking slightly - because your system has been over-pressured (possibly a result of a failed expansion vessel that is now full of water or possibly a fill loop that was never completely shut off) and now had some dirt in it preventing it from closing completely.

XXX
February 2017

The drip and the pressure loss are unconnected.

I have just had a new boiler fitted and the exhaust flue emits clouds of steam vapour and it drips constantly - I think it's normal.

Loss of pressure suggests a leak from a connection or a defective expansion vessel - find the leak yourself or call in a specialist to do it for you - avoid British Gas who will want you to spend £1000 to have your radiators power flushed...

Your boiler user guide should tell you how to top up the system pressure.

Good Luck...
February 2017