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07-17-07, 07:10 PM
Replies: 1
Views: 4,658
Posted By marklszy

Trying to replace a Lennox 21j7101 thermostat

Trying to replace a Lennox thermostat for a heat pump. Lennox and Honeywell cannot suggest a replacement based on the wiring.
y1 = blue, G= green, R= white, L= brown, T= orange, O= red, w1= red +...
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