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Thermostat Wiring Problem?

Oct 28, 2008 by swinginwaltztime | Posted in Maintenance & Repairs

I am replacing an older Lennox thermostat with a Honeywell digital thermostat and I need help with the wiring.

Here is the Honeywell digital thermostat set up: Rh, Rc, W, Y, G

Here is the old Lennox set up: W1, W2, G, Rc,

Many thermostats have a jumper wire between the 2 red terminals. It is normal.

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