Lennox 10W05 Limit Switch 319848-301 Key Benefits Universal Field Integration:

Key Benefits Universal Field Integration: Features an on-board 3-position DIP switch for easy toggling between 4-20mA and 0-10 VDC input protocols

allowing for fine-tuned calibration across a variety of airflow velocities

Manual Override: Features an external push button to disengage the gear train for manual adjustment during commissioning or maintenance

System Protection: Effectively prevents compressor damage and improper combustion by monitoring critical airflow thresholds

OEM Precision: Genuine Rheem-Ruud replacement part ensures exact electrical load matching and mounting alignment

Lennox 10W05 Limit Switch 319848-301 Key Benefits Universal Field Integration:The Lennox 10W05 Limit Switch is a critical OEM replacement part designed to ensure the safe thermal regulation of your furnace or air handler. Engineered for high reliability applications, this L150 20F temperature limit switch functions as a fail safe by monitoring the internal heat within the heat exchanger or plenum. Once the air temperature reaches its 150F cutout point, the internal contacts open to break the heating circuit, preventing