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The Trane SWT3986 is a limit switch that serves as a key safety device in HVAC systems. It is designed to shut down equipment when it reaches a specific set point, preventing unsafe temperature or pressure levels. This thermal switch activates at one hundred sixty-five degrees and deactivates at one hundred thirty-five degrees, ensuring proper equipment protection.
This limit switch is essential for maintaining safe operations in heating and cooling equipment.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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