Forum Discussion
Dutch_12078
Mar 26, 2015Explorer III
My original Duo-Therm mechanical stat tied both wires together when high speed was selected by the switch. I haven't tried hooking just the high speed wire to the terminal to see what would happen.
Here's the diagram that gets posted frequently for the Hunter digital conversions. It can also be used for Honeywell digital conversions:

Here's the diagram that gets posted frequently for the Hunter digital conversions. It can also be used for Honeywell digital conversions:

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