Lennox 76M31 Sensor 321702-401 and 765H80L series ensures a

and 765H80L series ensures a drop-in replacement

this module interprets 24VAC signals from the furnace control board to modulate airflow based on real-time heating or cooling demands

Thermal overload relays focus on overcurrent and phase loss

Utilizing genuine Maxon parts is the only way to ensure the internal air and gas proportioning valves sync correctly with the cone's flow characteristics

it provides the necessary structural rigidity to support 50/60 Hz HVAC blower motors

Lennox 76M31 Sensor 321702-401 and 765H80L series ensures aThe Lennox 76M31 is a high precision return air duct relative humidity sensor engineered for demanding commercial and industrial HVACR applications. As a non communicating duct mount RH sensor, it provides critical real time moisture data to the Lennox Prodigy and CORE unit controllers, essential for managing Humiditrol reheat systems and supermarket humidity control. Designed for technical reliability, this 24VAC HVAC humidity sensor features a