Currently have a Honeywell T40 Thermostate would it be possible to install a CM907 easily. Currently have four wires coming out of the wall as follows
Blue to terminal 2
Yellow to terminal 3
Red to terminal 1
earth to earth
how would these go into a Honeywell CM907 is it possible ?
Thanks
Blue to terminal 2
Yellow to terminal 3
Red to terminal 1
earth to earth
how would these go into a Honeywell CM907 is it possible ?
Thanks