I have just moved into a new house with an ancient Honeywell thermostat.
It has connections on 1(Red), 3(Yellow) and 2(Blue).
I want to replace it with a Horstmann HRFS1, it has the following info in the manual.
I would like some help with the wiring please, many thanks!
Dave.
It has connections on 1(Red), 3(Yellow) and 2(Blue).
I want to replace it with a Horstmann HRFS1, it has the following info in the manual.
I would like some help with the wiring please, many thanks!
Dave.