I have a Drayton Tempus Seven which is quite an old one, about 15 years old coloured light and Dark Brown. There are two problems with it:-
1. When the heating side is 'on' but has been overridden and is actually 'off' the programmer is still keeping the hot water side on even when it is...
I have a Drayton Tempus Seven which is quite an old one, about 15 years old coloured light and Dark Brown. There are two problems with it:-
1. When the heating side is 'on' but has been overridden and is actually 'off' the programmer is still keeping the hot water side on even when it is...