I have a worcester bosch highflow 400 combi.running pressure is generally around 2 bar.when system is off the pressure on the heatbank gauge is barely registering. is this ok.
i have checked expansion vessel pressure and set to 0.5 bar as designated.
not my specialist subject so would b really...
I am looking for some expert advice on my worcester bosch floor standing boiler.when heating is up and running the pressure is steady at 1.5 bar,but when i switch off it drops to 0.I have been told this may be a
problem with the expansion vessel.no water is present in vessel.is it safe for me...