The Coleman Mach Control Box is a heat-ready zone control box that was designed to communicate and control more than one Heat Pump at a time in your RV. Designed to be used with Zone Control 9 Series Digital Thermostats 9330A3341 or 9330A3351
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
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