Steven, what is wrong with the attached drawing of possible wiring of a wi-fi thermostat (for main/zone 1) with a ST-3E board?
https://ewccontrols.com/forum/download/ ... iew&id=248
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- Wed Feb 28, 2024 5:41 pm
- Forum: Help and Advice
- Topic: Last check for EWC-ST-3E conversion to NWM300
- Replies: 2
- Views: 2748