8330-5191 Coleman MACH RV ROOM SENSOR WHITE

The 8330‑5191 Coleman‑Mach RV Room Sensor (White) is the OEM remote temperature sensor used with select Coleman‑Mach digital and zone‑control HVAC systems. It allows the thermostat or control box to read the cabin temperature from a more accurate location, improving comfort and preventing short‑cycling caused by heat from appliances, sunlight, or poor airflow around the thermostat. This sensor is commonly installed in bedrooms, slide‑outs, or secondary zones and is required for proper operation in many multi‑zone Coleman‑Mach configurations.

It features a clean white low‑profile housing that mounts flush to the wall and uses the standard two‑wire sensor lead used throughout the Coleman‑Mach ecosystem. RV technicians rely on this part when replacing failed or inaccurate sensors or when restoring OEM performance in RVs where the thermostat cannot be placed in an ideal location.

Room Sensors (9-Series):
• 8330-3101 — Black 
• 8330-5191 — White— this item

Zone Control 9-Series Thermostats (sold separately):
• 9330A3341 — Black
• 9330A3351 — White (No Longer Available)

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.

9-Series and 8-Series Zone Control Components Are Not Interchangeable

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.

Features and functions

• OEM remote room temperature sensor for Coleman‑Mach HVAC systems

• Supports digital and multi‑zone control boxes

• Ensures accurate temperature readings away from heat sources

• Required for many bedroom and secondary‑zone installations

• Low‑profile white housing blends with RV interiors

• Simple two‑wire installation