56L81 | Return Air Duct Mount Zone Sensor (Non-Communicating) +/-0.36DEG F Accuracy | Lennox

**RETURN AIR DUCT MNT ZONE SENSR** Lennox's 56L81 Return Air Duct Mnt Zone Sensor is engineered to provide precise temperature sensing in commercial heating and cooling systems. Its advanced design ensures accurate temperature monitoring, optimizing system efficiency and occupant comfort. **Key Features:** * Durable construction for long-lasting performance * Compact design for easy integration * Accurate temperature sensing for optimal system performance * Compatible with Lennox HVAC systems * Backed by the reputation of Lennox, a leading manufacturer in HVAC technology **Applications:** The 56L81 Return Air Duct Mnt Zone Sensor is ideal for: * Monitoring air temperature in commercial buildings * Optimizing HVAC system efficiency * Maintaining comfortable indoor environments Our HVAC supply store has the best prices and fast shipping for your Lennox needs!