For Natural Gas (NG) applications

Designed with a precise 3/8" slot

5 MFD at 370 VAC run capacitor

Enhanced System Safety: Functions as a primary or secondary low water cut-off (LWCO) to protect the pressure vessel

Dual Voltage Versatility: Supports both 120V and 240V configurations for flexible installation

Lennox 10W05 Limit Switch 322027-701 For Natural Gas (NG) applicationsThe 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