Lennox 10W05 Limit Switch 319848-301 providing a reliable brass/bronze wetted

providing a reliable brass/bronze wetted part construction

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

making it a versatile choice for residential and light commercial atmospheric boilers and furnaces

40 Mesh Strainer Compatible: Supports an optional insertable 40 mesh strainer to protect the internal port from debris

For 240V applications

Lennox 10W05 Limit Switch 319848-301 providing a reliable brass/bronze wettedThe 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