should I change my Thorn boiler?
thorn apollo boiler no gas coming through ?
hot water but raidiaters cold?
unable to light pilot on thorn m44/54b boiler?
my m56/76b thorn is noisy what is wrong?
Location of pilot light Thorn Housewarmer Super back boiler?
thorn apollo 30/50b?
changing heating programmer?
We have a Thorn M gas boilder which is years old. Would it be safe to inst?