i have a Honeywell thermostat, says heat on but the furnace isn’t working. When we shut the furnace off and back on it works fine for a couple of hours.. then back to the same problem. Changed batteries in thermostat. Read More
I got Bryent furnace plus 90i that its ignitor doesn't glow while it does glow under self diagnostic test. Does the ignitor in series with the pressure switches?Read More