Hello. My approx. 8 year old combi occasionally loses a bit of pressure and is normally sorted by using the loop to build pressure up. I did this yesterday, but the needle rose to 3.5 bar immediately and the overflow poured out water.I tried taking about 3 or 4 pints from a radiator to try to reduce pressure but no joy ! It remains around 3.5 and the overflow is still running. Heating and hot water both operating normally at present. Any advice welcomed to recuce pressure and stop the overflow. Thanks a lot.

strathcona, March 2011

Hello again. I noticed that, like a numpty, I had left the "loop" tap in the "full on" instead of "off" position - so no wonder I couldn't lower the pressure.!!! Problem solved.

strathcona, March 2011