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Wiring for old seven wire Lennox thermostat
k14705
Jul 29, 2009, 06:50 AM
I have a thermostat with the following terminals--X-F-V-Y-M-R-VR. What wires go to what terminal? Thank you!
Stratmando
Jul 29, 2009, 06:53 AM
The Air Handler should be opened up to see which wires are used and what they are for.