Search found 3 matches
- Mon Jan 24, 2022 1:21 pm
- Forum: Help and Advice
- Topic: EWC ST-3E to EWC NCM-300 Wiring?
- Replies: 5
- Views: 5445
Re: EWC ST-3E to EWC NCM-300 Wiring?
Thank you for the reply. We actually already have common wires to the thermostat. So I'm assuming in this situation we could completely illuminate the O and B?
- Mon Jan 24, 2022 12:38 pm
- Forum: Help and Advice
- Topic: EWC ST-3E to EWC NCM-300 Wiring?
- Replies: 5
- Views: 5445
Re: EWC ST-3E to EWC NCM-300 Wiring?
I am looking to do the same, what did you end up doing with the B/O?
- Mon Jan 24, 2022 12:36 pm
- Forum: Help and Advice
- Topic: ST-2E to NCM-300 plus nest t-stat
- Replies: 0
- Views: 14125
ST-2E to NCM-300 plus nest t-stat
Hello all, as thread title states I am looking to convert a ST-2E to a NCM-300 so I can install a Nest thermostat. The system is a 2-zone, forced hot air, natural gas system with AC. The panels look pretty identical, aside from the supply air sensor. Either way, I was curious what I would do with ...