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Honeywell - Wiring Instructions
I just bought a Honeywell CT 31 thermostat it has 4wires,old thermostat had 2 wires,can I use new 4 ...
I just bought a Honeywell CT 31 thermostat it has 4wires,old thermostat had 2 wires,can I use new 4 ...
(Posted by grandmaof3x1 11 years ago)