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- Sat Jan 25, 2014 5:56 pm
- Forum: Help and Advice
- Topic: 2nd Honeywell RTH6580 with ST-2E
- Replies: 1
- Views: 9087
2nd Honeywell RTH6580 with ST-2E
I installed the first wifi 6580 and it worked great for controlling temperature in one zone. In another zone I installed a 2nd 6580 and it does not work. I can hear the thermostat switch in this second unit but it does not turn the heat on. Should it work?