Trane SWT3411 Limit Switch 319825-402 Verify your system logic before
Baker’s notes & crumb story
Description
Verify your system logic before installation to ensure proper valve or damper fail-safe positioning
Industrial Build Quality: Constructed with high-grade diaphragms to withstand the thermal cycling and moisture found in high-efficiency condensing units
Most "no heat" calls related to this part are caused by carbon deposits or silica buildup on the rod
Inspect all wiring for brittle insulation or loose connections during installation
Trane SWT3411 Limit Switch 319825-402 Verify your system logic beforeThe 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