how do i run a thorn olympic efficiently?
unable to light pilot on thorn m44/54b boiler?
what boiler would i replace my thorn 44/54 with?
Location of pilot light Thorn Housewarmer Super back boiler?
Which is flow and which is return?
hot water but raidiaters cold?
changing heating programmer?
We have a Thorn M gas boilder which is years old. Would it be safe to inst?
thorn olympic boiler?