Lennox 22W68 Limit Switch 326070-701 The Trane SEN1729 is calibrated

The Trane SEN1729 is calibrated specifically for 9

This L135-45F limit switch functions as a primary high-limit safety

For ambient outdoor sensing

simplifying the retrofitting process for service technicians

The Rheem-Ruud SP20832A Natural Gas Control is a precision-engineered OEM gas valve thermostat designed for high-performance temperature regulation in specific natural gas water heaters

Lennox 22W68 Limit Switch 326070-701 The Trane SEN1729 is calibratedThe Lennox 22W68 Limit Switch is a critical safety component engineered to monitor internal plenum temperatures and prevent heat exchanger damage. This OEM Lennox replacement part is calibrated with an L165 40F temperature rating, meaning the circuit opens at 165F to interrupt the heating cycle and automatically resets once the temperature drops by 40F. Designed for high demand HVAC furnace repair and commercial rooftop units, this 165F high limit