While you wait for answers, we may have found some information which could help you.
Click here for Re Thorn Harcal 430Location of pilot light Thorn Housewarmer Super back boiler?
what boiler would i replace my thorn 44/54 with?
How do I light it?
thorn m44 boiler fault?
I have hot water but heating is not working ?
apollo boiler banging noises ?