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weirdly it seems to all be fine now, possibly just needs a service. Its firing up 1st time everytime again, saw that a common fault with the minimisers is some form of build up on the burner plate - "you get a build up of aluminium hydroxide ash on the burner plate". Can anyone advise...

Looks like it may be a minimiser FF 40, dad found manual thankfully, found some useful info some people suggesting replacing the pcb 37 with a pcb 41. Some people suggesting this boiler can suffer from lockout. Suggestions to get serviced and get engineer to :- 1. Adjust spark gap to 5mm...

Hi I have a henrad 40FF (this is an ideal boiler not sure exactly which model). If anyone can tell me the ideal boiler model this would also be useful. I am having a problem with it starting up, when I turn on the pump for either the hot water or central heating then it starts the pumps etc...