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- Tue May 03, 2016 3:27 am
- Forum: Help and Advice
- Topic: Old EWC unit 3 wire thermostat
- Replies: 5
- Views: 10678
Re: Old EWC unit 3 wire thermostat
There are equivalents of these wires to what is the R, fan and Heat wire? I assume the remote switcher causes the heat wire to change to AC wire when that switch is thrown???