REPAIR PARTS ONLY. USE ONLY TO REPLACE EXISTING 8xxx SERIES ZONE THERMOSTATS OR CONTROL PACKAGES. SHOULD BE REPLACED WITH 9420A330 MULTIZONE TSTAT BLACK. This compact touchscreen controller manages cooling for any Coleman-Mach airconditioner and can control a heat pump or electric heating element if equipped. It also integrates with Suburban or third-party in-coach furnaces, using smart algorithms to optimize efficiency when multiple heat sources are available.• Sleek 4.3" touchscreen• Fully programmable for cooling and heating, including A/C on-board heat pump, heat strip, and a third party heater• Single-stage gas heat, 2-stage electric heat from strip or heat pump• Smart programming optimizes heat source when more than one is available• Temperature setting range from 40°F - 99°F Smart programming optimizes heat source when more than one is available Temperature setting range from 40°F - 99°F Sleek 4.3"" touchscreen | Coleman Mach Wall Thermostat 8330D3351 Air Conditioner/ Heat Pump/ 4 Furnaces; 12 VDC; White 8xxx SERIES