Occaisionally when the hot water is run for a period of time eg fill a sink or bath, a terrible water hammers starts and will only go away by turning on a cold water tap at various and or different locations around the house. There is no pattern and sometimes the answer is flushing a toilet...
I have a Glow Worm Fuelsaver MKII 60BR.
The pilot light keeps going out by way of the safety cut-out. The pump has been replaced and is new, initially because I thought that it was the OH thermostat gone t1ts up, that has been replaced as well. I am sure that I have no air in the system and...