Carol asked ... How to remove roller from lawnmower?    |    Ariana Orellana asked ... Code?    |    Lynnie asked ... BT Studio 4500 cordless telephone?    |    David Dawes asked ... How to recoil the starter spring - Champion R484TR?    |    peter high asked ... How can I set time on my Neff oven?    |    Click here to ask your question

I have a Ravenheat Combi boiler(2003) radiators are not working?

I have a Ravenheat Combi boiler(2003) the radiators are not working. I have changed both thermisters and the tap water heats up fine.
I have bled the radiators and the pressure stays constant at 1.5
Any idea's what it could be?
jdm, January 2014
link Click here to see other fixes for Ravenheat.