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just noticed that the pressure dial is on zero does that mean there isn't enough pressure to send it around the radiators? :)

Thanks i have no idea how to check the diverter valve for correct operation. or what it is. I was hoping it was something simple to do with the dials on the wall as it was working okay yesterday. Calling someone out isn't an option I rang 2 plumbers this morning who said that these were...

I have this boiler it's the 2nd one I've had and I've never had any problems although this seems to be a bit more complicated. It has been fitted for about 3 yrs and now the heating has gone off and I can't get it back on again. Hot water is working fine. I tried switching it off at the wall and...