Hi, I have a huge problem with our Worcester Combi boiler. I have bled the radiators & the pressure in the combi was low so I just turned the valve to increase pressure, and then turned it shut once done.
But now the pressure just keeps going up and up until the relief valve kicks in!! .. I tried relieving the pressure by opening a radiator valve, this takes it down ok, but then it just starts racing up again!!!
Any idea's what the cause could be and how to remedy it? .. The wife's in bits