Recent content by Blong

If you do not know, just say so. There is no need to get aggressive.

I measure the burner pressure with a gauge on the test point. Is there another way? As I say, the pressure drops to zero, but both solenoids are wired in parallel and I am not sure if the test point measures the output from the main valve or the actual pressure at the jet? I rather suspect...

I have a Halstead Hero boiler which sometimes "pops" (converted to a "boom" by the casing) when the burner shuts down. It only happens when the boiler is very hot and seems to be a similar effect to the pop which used to occur on gas hobs when they were turned off. The burner pressure is spot...