Recent content by SHOPFITTERPETE

If I dont use the boiler the pilot light stays lit but if I use it then after about 2 mins it goes out, it also changes from a blue flame to a yellow flame in the viewing screen.

Having problems with the burner going out. I have just fitted a new thermocouple, which I was told by someone else that this was the problem but the flame keeps going out. I can light the pilot using the red bigniter button and holding the knurled grey knob in but once there the flames die...