1.It is compatible with select Mach 15 Series, Mach 3 PLUS Series, Mach 1 Power Saver Series, Mach III Power Saver Series, Mach 8 Polar Cub Series, Mach 8 Series and the Roughneck Series air conditioners 2.Use this thermostat can be more convenient to control your RV's air conditioner, gas or electric heat strips and fans. 3.It allows users to set the ideal indoor temperature, whether in heating or cooling mode, to maintain stable indoor temperatures. 4.The thermostat has 6 different wire color codes, which are easy to identify and connect when disassembling, and can be quickly installed as long as the wire harness is connected according to the corresponding color. 5.Please confirm whether the model is suitable before buying. 7330G3351 Thermostat Single Stage Heat/Cool Compatible with Coleman RV Air Conditioners Mach Series,White.It is compatible with select Mach 15 Series, Mach 3 PLUS Series, Mach 1 Power Saver Series, Mach III Power Saver Series, Mach 8 Polar Cub Series, Mach 8 Series and the Roughneck Series air conditioners