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Mend Ravenheat CSl 85T Boiler Combi Heating

RAVENHEAT COMBI BOILER NOT FIRING NO HEATING OR HOT WATER?

I have a Ravenheat Combi CSl 85T Boiler it's 3 years old never been right since installation. Had two thermisters replaced over 3 years been serviced twice. The problem now is it will not fire up at all so I have no hot water or heating. Got plumber out who rang Manufacturers told him it was the valve.
It used to come on when I banged it several times but it doesn't even do that now. I am only hoping that it is the valve. On looking on the website it could be that it needs cleaning, as I have had the wall round by the boiler plastered but they covered the boiler up. Plumber got valve coming this afternoon to fit. He never mentioend about cleaning.
Does anyone have any other suggestions as I have a horrible feeling that I am paying for something and still boiler wont be right. Its cost me a fortune up to now -bring back the old cisterm. Fed Up to back teeth with it.

Thanks

Josie

JOSIE
November 2008

Ravenheat Ravenheat CSl 85T Heating, Home Heating Systems Boiler Combi Heating

try changing the air pressure switch.. Easy job to do about £40

aa
January 2009

there is a low water pressure switch a round disc like device with 3 wires or two wires on it this might be the problem if you drain your boiler down and unscrew it the hole were it fils with water may be blocked or the switch itself may be blocked and telling the boiler thers no water pressure there

chris bigguns10
December 2008