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Hi, I noticed that the pin in the diverter value does not move to touch the plate at any point. Is this referring to when you said "If the boiler runs all the time then the diverter pin is stuck put or more likely the micro switch is failed." Should this pin move to touch the plate when...

Hi, I have a problem with my Main boiler, where the heating and hot water both work together even when I put it on hot water ONLY. The pump seems to run, and as result the heating constantly stays on. I also noticed a slight leak to the diaphragm. I am unsure if that is at the front or...