High-Temperature Durability: Robust construction designed to withstand the thermal stresses of the furnace plenum environment

Corrosion Resistance: High-grade aluminum alloy construction prevents pitting and surface friction

For technicians performing chiller maintenance or diagnosing communication faults

Always verify the process temperature does not exceed these mechanical limits

and a dial knob to replace a wide range of OEM controls

Trane SWT3411 Limit Switch R-407A High-Temperature Durability: Robust construction designedThe Trane SWT3411 Limit Switch is a critical safety component designed for precise thermal regulation within residential furnaces and HVAC systems. As an OEM high limit control, this L150F 30F switch features a fixed 150F open temperature and a 30F differential, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. Engineered for the rigors of field service, the Trane L150 30 limit switch utilizes a single