Forum Discussion
Dutch_12078
Feb 22, 2018Explorer III
We have two furnaces and two A/C's. All are controlled by two Honeywell 7-day programmable digital thermostats, one in each zone. The original thermostats were Duo-Therm analog units. The installation just involved some minor wiring and the addition of a mini-toggle switch to control the hi/lo A/C fan speeds.


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