HVAC Forums => HVAC Help => Topic started by: gldddm on December 22, 2020, 09:50:14 PM
Title: Nest thermostat
Post by: gldddm on December 22, 2020, 09:50:14 PM
have a trane twe040e13fa1 and wanting to connect a nest thermostat. I have 4 wires on the current trane thermostat labeled B, R, S1 and S2 ...no jumpers.