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10-26-13, 11:55 AM
Replies: 2
Views: 6,755
Posted By orangedawg

Wiring help: Taystat 540 to Honeywell RTH9580WF

I have an issue wiring my new Honeywell wifi RTH9580WF thermostat from my old Taystat 540. I have a heat pump. Honeywell says I need a C wire, which I do not have. Here is what I have for wires...
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