Location of pilot light Thorn Housewarmer Super back boiler?
Which is flow and which is return?
what boiler would i replace my thorn 44/54 with?
thermocouple?
How do I light it?
We have a Thorn M gas boilder which is years old. Would it be safe to inst?
my m56/76b thorn is noisy what is wrong?
changing heating programmer?
should I change my Thorn boiler?
how can i fix my thorn M44/54 gas boiler?
Main Medway Automatic water heater diaphragm?
thorn apollo 30/50b?
thorn apollo boiler no gas coming through ?
thorn m44 boiler fault?
unable to light pilot on thorn m44/54b boiler?