Coleman mach thermostat problem solving

See questions and answers. Cooling Questions Does the refrigerant in my designated for assignment baseball conditioner need to be changed? Heat Pumps and Electric Home Heating. Where is the nearest dealer coleman mach thermostat problem solving service center in my coleman mach thermostat problem solving There's a problem loading this menu right now. The red and blue wires must used to supply 12v dc to thermostat. Trying to figure what size expansion tank I need. I have a lenox electric forced air furnace that takes forever to heat the house to temperature. Learn more about Amazon Prime. Skip to main content. Learn more. I'm happy I made this purchase. The circuit breakers in my RV have been tripping while my air conditioner is in use.