I have potterton profile boiler. The pilot light kept on going out and now the thing won't start up. I had engineer around to fix problem and said my pump had it and replaced it. Worked for 4 days now the boiler does not work. I need help??
Is pump working ,yes,is fan working, yes,than its gas valve main selonoid is not opening ,change black control box also change air pressure switch ,just change control box to start with than see who it go