CynCB
Nov 5, 2011, 04:13 PM
Hello,
Old thermostat had only r connection. New one has rc and rh. Do I connect it to rc, rh or both.
Thank you
Old thermostat had only r connection. New one has rc and rh. Do I connect it to rc, rh or both.
Thank you
View Full Version : Old Thermostat has only R, new one has RC and RH