Description
The Trane SWT3982 is a reverse flow switch engineered for dependable flow detection and equipment protection in HVAC systems. Designed to open at 105°F and close at 95°F, this switch provides precise thermal switching action to help safeguard your system against reverse flow conditions that could lead to equipment damage or inefficient operation.
As a genuine Trane replacement component, the SWT3982 is built to OEM specifications, ensuring a direct-fit installation and consistent performance in Trane equipment applications.
Key Features
- Reverse flow switch design for reliable flow detection
- Opens at 105°F (Fop) for accurate high-temperature response
- Closes at 95°F (Fcl) providing a 10°F differential for stable switching
- Genuine Trane OEM replacement part
- Engineered for direct-fit installation in compatible Trane systems
- Helps protect HVAC equipment from reverse flow conditions
Specifications
- Brand: Trane
- Part Number: SWT3982
- Switch Type: Reverse Flow Switch
- Opening Temperature (Fop): 105°F
- Closing Temperature (Fcl): 95°F
- Temperature Differential: 10°F
Application
The SWT3982 is ideal for use in Trane HVAC systems where reverse flow monitoring and thermal protection are required. Its defined open and close temperature points ensure the system responds appropriately to changing flow and temperature conditions, maintaining operational integrity and extending equipment life.







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