“does the nest need a c wire and will it work with a two wire 24v system”

Asked by john 9 years ago

1-5 of 5 Answers

Theoretically it could work with a 2 wire 24v which is what I have, but my system would not work with it as I have 3 zones and it was too much of a drain. If you have a 1 zone system it may work, just be aware of any clicking or other strange noising from the heating system (you'll notice it pretty quickly after installation) control board.
Answered by jaybotech 8 years ago
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Needs c wire hooked up. That is why had to have professional
Answered by Cindy 8 years ago
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Don't think so,
Answered by Swestm3 9 years ago
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Hmmm no idea but I would guess no. I'm either case, call Nest support. They are awesome.
Answered by RoRana 9 years ago
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Hi John, My nest definitely needed a c wire to turn my heater on and to charge the Nest thermostat.
Answered by Billy 9 years ago
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