It is used with Coleman Mach 48203c9665 series roughneck, 48204 series Mach 15, 48203 series Mach 3 plus, 48207 series Mach I, 48208 series Mach III power saver, Mach 8 rooftop, Mach 8 CUB rooftop air conditioner. It has heat ready ceiling assembly for lateral ducted system. It does not include thermostat.