Genuine Coleman Mach OEM remote room temperature sensor for the Zone Control 9-Series Digital RV Thermostat (9330A3341 / 9330A3351). Required for zones 2–4 in a multi-zone system; also enables Zone 1 remote sensing when the thermostat is mounted away from Zone 1. Black. 90-day limited manufacturer warranty.
The Coleman Mach Zone Control 9-Series thermostat is a multi-zone digital thermostat capable of controlling up to four rooftop air conditioners or heat pumps and four zones of gas, hydronic, or electric strip heating from a single wall-mounted unit. Each zone requires a temperature reading to control that zone's heating and cooling — and this is where zone sensors are essential.
The thermostat has a built-in temperature sensor that can serve as the Zone 1 temperature reference — but only if the thermostat itself is physically located in Zone 1. If Zone 1 is in a different area of the coach than where the thermostat is mounted, a remote sensor must be connected to Zone 1 as well. For Zones 2, 3, and 4, a remote room sensor is always required — those zones have no built-in sensing capability.
The 8330-3101 is the black remote room temperature sensor for the 9-Series Zone Control system. It mounts on an interior wall — ideally approximately five feet above the floor — away from heat sources, exterior walls, vents, and direct sunlight for the most accurate temperature reading. Each sensor reports its zone's temperature back to the thermostat, which uses that reading to call for heating or cooling in that zone as needed.
Reports actual room temperature in its zone to the 9-Series thermostat — required for Zones 2–4 and for Zone 1 when the thermostat is not located in Zone 1
When connected to Zone 1, allows the thermostat to be mounted anywhere in the coach — the sensor handles Zone 1 temperature reading wherever it's installed
Designed for the Zone Control 9-Series thermostat (9330A3341 / 9330A3351) — not compatible with 8-Series zone control thermostats
Black finish matches the black 9330A3341 thermostat — white variant (8330-5191) available separately for installations with the white 9330A3351 thermostat
Proper placement of each zone sensor is critical to accurate temperature control. The 9-Series system treats sensor readings as the actual zone temperature — a poorly located sensor will cause the system to heat or cool based on inaccurate data. Do: Mount on an interior wall approximately 5 feet above the floor in the zone being measured Avoid: Placement near heat-producing appliances, exterior walls, air supply vents, windows, or areas with direct sunlight Avoid: Dead air pockets (inside cabinets, recesses) where temperature stratification can skew readings Apply the same placement considerations to the thermostat itself if it is being used as the Zone 1 sensor — the built-in sensor is subject to the same environmental influences.
The 8330-3101 sensor is designed specifically for the 9-Series Zone Control thermostat (9330A3341 / 9330A3351). It is not compatible with the 8-Series zone control thermostat or its components. If your system uses an 8-Series zone control thermostat, the 8330-3101 sensor will not work with it. Confirm your thermostat's series (8xxx or 9xxx) before ordering. Upgrading from an 8-Series to a 9-Series system requires replacing both the thermostat and all associated control kit components — individual components are not backward compatible across series.
Room sensors and Zone Control thermostats are available in matching black and white finishes: Room Sensors (9-Series): • 8330-3101 — Black — this item • 8330-5191 — White Zone Control 9-Series Thermostats (sold separately): • 9330A3341 — Black • 9330A3351 — White Each zone beyond Zone 1 requires one sensor. Zone 1 also requires a sensor if the thermostat is not physically located in Zone 1. A four-zone system where the thermostat is outside all zones requires four sensors total.
Thermostat and zone control kit packages are sold separately. The 8330-3101 is the sensor only.