how many wires does this system need null

You can use it for heat or AC usually green is the AC FOR THE WIRE AND RED IS HEAT OR HOT WIRE

4 red, blue or yellow, white and green

You will use the wires ur current system uses

Depending on your current thermostat. You have to check it first. On their website they have a compatibility checker.

“how many wires does this system need”

Asked by Anonymous 7 years ago

You can use it for heat or AC usually green is the AC FOR THE WIRE AND RED IS HEAT OR HOT WIRE
Answered by SW178 7 years ago
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4 red, blue or yellow, white and green
Answered by William18 7 years ago
Sorry, there was a problem. Please try again later.
You will use the wires ur current system uses
Answered by Crock 7 years ago
Sorry, there was a problem. Please try again later.
Depending on your current thermostat. You have to check it first. On their website they have a compatibility checker.
Answered by Jhelle 7 years ago
Sorry, there was a problem. Please try again later.