I have just emptied and refilled out gas central heating system but when I turned it on the boiler started banging and turned itself off.
What have I done wrong?
How should I have refilled it.
All I done was trurned the header tank water back on and bled all the air out of the radiators.
john
What have I done wrong?
How should I have refilled it.
All I done was trurned the header tank water back on and bled all the air out of the radiators.
john