Thanks for that. I cannot see any connections between L and 1. Guess I'm shopping for another controller. Any recommendations for a cheap volt free one? Is there a way of finding out which wire is which ready for putting the new one in?
Thanks for that. I cannot see any connections between L and 1. Guess I'm shopping for another controller. Any recommendations for a cheap volt free one? Is there a way of finding out which wire is which ready for putting the new one in?
I have tried to replace a broken Drayton Tempus one controller with a centaur plus C27. The old one has never worked. Previous owner said a leak for the boiler had killed it. It was only ever in holiday mode. I got around to buying the new one and was an easy swap with commonly back plate. It is...