Furnace Help
Our 5’er has a Dometic furnace with Airexcell thermostat. It has been short-cycling recently. The problem is worse when it is cold (first turned on) and seems to improve when it runs for a while. Wh...
Forum Discussion
Typically the furnace is controlled by two wires coming from the thermostat. The problem is your thermostat almost assuredly has more than two wires on it. To offer meaningful advice we probably need
The year of the RV
The model of the Dometic furnace
The Model of the Airexcel thermostat.
Once we have that information we can look at the appropriate install or troubleshooting guide to see which wires are for the thermostat.
