With an operating temperature range of -40°F to 180°F and a standard pilot duty rating of 300 VA

replacing a worn positioner spring often resolves issues where the valve fails to reach its commanded position due to loss of tension or incorrect span signals

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

technicians should verify water flow and actual temperature before assuming the switch is defective

Trane SWT3411 Limit Switch R-407A With an operating temperature rangeThe 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