so will it help to diagnose the pressure gauge by leaving the tps open and see if water drips from the overflow??
I did suspect the gauge a few weeks ago when it was being 'erratic'
thanks for the prompt reply..
the boiler has 5 year guarantee I assume the gauge is covered?
Good Evening
I have a combi boiler and new central heating system which is less than 2 years old.
The pressure gauge is reading Zero,
using the loop system I cannot get the pressure to rise, if I turn the 2 taps I can hear the initial hiss of water flow but thats it.
I know there is...