Description
The Lennox 76M31 is a relative humidity (RH) duct sensor engineered as a genuine OEM replacement component for compatible Lennox HVAC systems. Designed for in-duct installation, this sensor continuously monitors relative humidity levels within the air distribution system, providing accurate data to the system’s controls for precise humidity management and improved indoor air quality.
Key Features
- Genuine Lennox OEM replacement RH duct sensor
- Monitors relative humidity levels within ductwork
- Engineered for accurate, reliable humidity sensing performance
- Designed for seamless integration with compatible Lennox HVAC systems
- Supports proper humidity control for enhanced indoor comfort and air quality
- Durable construction built to withstand in-duct operating conditions
Application
The Lennox 76M31 RH Duct Sensor is ideal for HVAC technicians and contractors performing maintenance, service, or system upgrades on compatible Lennox equipment. Using a genuine OEM sensor ensures accurate system communication and helps maintain optimal humidity control, protecting both occupant comfort and building integrity.
Important Note
- Always verify compatibility with your specific Lennox system model before installation
- Refer to the Lennox installation and service documentation for wiring and mounting specifications
- Installation should be performed by a qualified HVAC technician







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