if you have a combi boiler there is a tap under the boiler to isolate the cold going in. if u have a hot water cylinder u will have two water tanks in the loft one for filling central heating asmall one a large one that fills the cylinder if ball cock is stuck closed or feed pipe is blocked then no water will come out of the tap
craig
January 2010
boiler make / model?
Ian
January 2010
what type of heating system you got?
a1
January 2010
I can answer this question...
how comes i have piping hot radiators,and cold water,but nothing comes out ?