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

While the flare fitting provides the primary mechanical seal

Durable SPST Switch Logic: Built to handle the electrical load requirements of standard burner circuits without premature contact wear

the S1-029-25430-000 with harness maintains the factory-certified safety protocols of your equipment

Designed with a precise 3/8" slot

Lennox 10W05 Limit Switch 322027-701 Dual Voltage Versatility: Supports bothThe 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