2wire Thermostat Wiring Diagram For Heater. Usually a red and a white wire. Dec 15 i have an old modine gas heater hanging in my garage.
Usually a red and a white wire. Most of the process is about following safety procedures and avoiding common mistakes. Red wire for power 24h.
Once you know what type of system you have the hardest part is out of the way.
Wall heater thermostat wiring diagram. A b or c refer to figure 1. One is for cool and the other is for heat hence the abbreviation rh and rc. A thermostat is designed to control the temperature of a heating or cooling unit in the home.