I installed a Nest on a very old two-wire fuel oil furnace that had a mercury bulb thermostat. I got one of these kits and ran the power from an outlet on the back side of the wall, leaving the small board inside the wall. It’s been working great.
https://www.amazon.com/Venstar-ACC0436- ... B00755BZZC
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- Fri Dec 29, 2017 12:28 pm
- Forum: Craftsman's Guild
- Topic: Making a Nest thermostat work with a two wire system
- Replies: 14
- Views: 65940