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why does the water level in my vaillant combi boiler keep dropping? ?

i keep filling up my water level in my vaillant boiler but the water level seems 2 keep dropping. i have been turning the valve at the bottom of the boiler n refilling it but it just doesnt seem to stay put. every 3/ 4 days it needs filling up again. is there a leak somewhere? and i have noticed that there is no steam coming out from the pipe sticking out of the boiler that leads outside could that be the problem! please help!!!!!!!!!

sue
February 2009

Vaillant Heating, Home Heating Systems Water Vaillant Valve

my water level keeps dropping in my valliant combi boiler i have to keep filling it.i have noticed i have got a leaking radiator could this be the cause?

rob
December 2010

You only need a corgi person to work on the boiler not the water side of the system

bill
March 2009

thank you 4 ur help......

sue
February 2009

IF SOME OF YOUR PIPES ARE BURIED IN THE FLOOR OR WALL YOU COULD HAVE A LEAK. THIS HAPENED TO ME AND HAD THE PIPES RE- ROUTED

KEITH
February 2009

Sue,
sounds very much like a system leak, but you must get a CORGI registered engineer to repair it, do NOT attempt to touch it yourself, you could do lots more damage than at present, hurt yourself or others and it's against the Law! Go to www.trustcorgi.com to find your nearest registered engineer and just keep topping up to about 1Bar pressure in the mean time.

H the Gasman
February 2009

it sounds like ur pressure vessel inside ur boiler has gone and needs repairing or replaceing.

ksheating@googlemail .com
February 2009