The GE Appliances RAREC1A Control Unit supports Auto Gen Start and Smart 3 Wire Thermostats. Compatible with Firefly, Spider, ASA In-Command. COMPATIBLE AIR CONDITIONERStable, Camping World No. GE Part No. Description 123004 ARC13AAC/ARC15AAC GE Exterior RV Air Conditioner 107974 ARH15AAC GE Exterior RV Air Conditioner with Heat Pump 123008 ARC13AHC GE Exterior RV High-Efficiency Air Conditioner 137277 ARH13AHCB GE Exterior RV High-Efficiency Air Conditioner with Heat Pump 141869 PLC13XAH/PLC15XAH GE Profile Exterior RV Air Conditioner 141870 PLH13XAH/PLH15XAH GE Profile Exterior RV Air Conditioner with Heat Pump 141871 PLC13XHH GE Profile High-Efficiency Exterior RV Air Conditioner 141872 PLH13XHH GE Profile High-Efficiency Exterior RV Air Conditioner with Heat PumpCOMPATIBLE ACCESSORIEStable, Camping World No. GE Part No. Description 130551 RARED1A GE RV Ducted Air Conditioner Ceiling Assembly 130552 RAREN1A GE RV Non-Ducted Air Conditioner Ceiling Assembly 125593 RARWT2B GE Single Zone RV Air Conditioner Wall Thermostat, Black | GE Appliances RAREC1A RV-C Control Unit