what boiler would i replace my thorn 44/54 with?
Which is flow and which is return?
Thorn Apollo 15/30B?
thermocouple?
thorn dusk to dawn lighting problem?
We have a Thorn M gas boilder which is years old. Would it be safe to inst?
alarm manual?
changing heating programmer?
Location of pilot light Thorn Housewarmer Super back boiler?
thorn apollo boiler no gas coming through ?
unable to light pilot on thorn m44/54b boiler?
thorn apollo 30/50b?