Description
Trane SWT4396 Limit Switch Overview
The Trane SWT4396 is an OEM replacement limit switch engineered to protect Trane heating systems from overheating conditions. Acting as a critical safety device, this limit switch monitors supply-air temperatures and interrupts the heating circuit when unsafe temperatures are detected, helping prevent equipment damage and ensuring safe system operation.
Temperature Set Points
- Opens (trips) at: 185°F
- Closes (resets) at: 155°F
Key Features
- Genuine Trane OEM replacement part for reliable, factory-matched performance
- Automatic reset design — closes at 155°F once temperatures return to safe operating range
- Provides essential high-limit protection against overheating in furnace and air handler applications
- Precision-calibrated set points ensure consistent and repeatable switching action
- Direct drop-in replacement minimizes installation time and complexity
Application
The SWT4396 is designed for use in Trane furnaces and heating systems where high-limit safety control is required. It is intended as a direct OEM replacement to maintain original equipment performance and safety standards.
Why Choose the Trane SWT4396?
Using a genuine Trane OEM limit switch ensures your system operates within designed safety parameters. The precisely calibrated open and close temperatures protect heat exchangers, blower components, and downstream ductwork from the damaging effects of excessive heat, extending equipment life and maintaining system efficiency.
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