i have a combie 82 boiler,there is no hot water coming from the system only when boiler is on or centeral heating is on,can any one help me to fix this problem,as i m having difficulties to have a bath or having to wash dishes in cold water,i think they maybe something wrong with the presure guage.oh ps. even when the central heating is on,the hot water is not continuos.

sayda, April 2007

It sounds like the diaphram has gone. Whilst the heating is on it will fill the HW heat exchanger but only slowly. When the diaphram is activeated the water is diverted through the heat exchanger.

Ken Fletcher, April 2007

what is the pressure gauge reading

hi-spec plumbing, April 2007