The Coleman Mach 8330D3351 RV Thermostat is used with zone control boxes and will control up to 4 single stage air conditioners or heat pumps and (2) two-stage gas furnaces.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov