Lennox 76M31 RH Duct Sensor

The Lennox 76M31 RH Duct Sensor is a vital component for Lennox HVAC systems. Installed in the return air duct, it monitors both humidity levels (0-95% RH) and temperature (-10°F to 160°F). This data is then relayed to the HVAC system's main control board, which uses it to optimize comfort and efficiency. By precisely regulating humidity, the sensor helps prevent mold growth and creates a more comfortable atmosphere. The sensor weighs 1.42 pounds.