It's a Greenstar 37CDi.
After speaking with a plumber the electronic numbers on the front relate to temperature not pressure. Dropping from 70+ (I was running central heating on full) to sub 20.
Pressure gauge drops slightly, but not significantly
Hi,
I have a worcester bosch boiler, only 1 year old. The central heating is working fine, but after running the hot water for about 40 seconds it goes cold again.
It goes cold because the pressure within the boiler (not water pressure) drops dramatically and the boiler goes into shut...