Recent content by steveratwalker

it sounds like your mains water filling valve is open and it shouldn't be. as previous post, remove the filling loop. set pressure to boiler makers recommendation. the pressure will increase as the central heating warms up but usually it should be no more than 2.5 bar when the system is at...

i had my boiler pressure rising slowly when it was off. the problem was a leaking (only very slightly) gate valve on the filling loop. this was effectively filling the central heating system when it was already full. i emptied about 8 litres of water out of an upstairs radiator before i...