Description
The Trane THT03091 is an OEM replacement limit switch engineered to protect heating equipment from unsafe operating temperatures. With a fixed open point of 135°F and a close point of 115°F, this switch interrupts the circuit when temperatures exceed safe thresholds and automatically resets once the system cools to the close temperature — providing dependable, repeatable overheat protection.
Key Specifications
- Open (Trip) Temperature: 135°F
- Close (Reset) Temperature: 115°F
- OEM Part Number: THT03091
- Brand: Trane
Features & Benefits
- Automatic reset design — closes at 115°F once the system cools down
- Protects heat exchangers and blower assemblies from overheating damage
- Direct OEM replacement ensures proper fit and function in compatible Trane equipment
- Reliable bimetal or disc-type sensing for consistent temperature response
- Helps maintain system safety and extend equipment service life
Application
The THT03091 limit switch is designed for use in Trane furnaces and air handling equipment where high-limit protection is required. It monitors supply air or heat exchanger temperatures and shuts down the burner or heating element if temperatures rise above 135°F, preventing equipment damage and potential safety hazards. Always verify compatibility with your specific Trane model before installation.
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