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The main pcb is green with a red board on the side that is the ignition pcb according to the manual.

I will do if its gas related or in the combustion chamber. Just confused as to any in not getting what the book says i should

What would you suggest then?

Hi all as the title says I have an issue with my boiler taking ages to ignite with either the heating or hot water. I’ve gone through the fault finding on the service manual and want to check with you guys before I spend a bit of money. At start up the fan runs and the air pressure switche is...