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

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

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

the manual reset functionality ensures a technician investigates the cause of the high water event

Enhanced System Safety: Automatically activates low water cut-off functionality when installed on a compatible Electro-Well

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