Description
Trane THT2440 AUTO Reset Limit Switch Overview
The Trane THT2440 is an OEM automatic-reset high-limit switch engineered to protect Trane heating systems from dangerous overtemperature conditions. With a rated operating range of 150–180°F, this limit switch monitors heat exchanger temperatures and interrupts the burner circuit when temperatures exceed the safe threshold — then automatically resets once conditions return to normal.
Key Features
- AUTO (automatic) reset operation — restores normal function once temperature drops within safe range
- Operating temperature range: 150–180°F
- OEM Trane replacement part for precise fit and reliable performance
- Protects furnace heat exchanger and components from overheating damage
- Direct drop-in replacement designed for compatible Trane furnace models
Why Choose an OEM Limit Switch?
Using a genuine Trane replacement limit switch ensures the correct trip point, reset characteristics, and mounting configuration for your specific equipment. Aftermarket substitutes may not match the precise calibration required for safe and efficient furnace operation.
Application
- Trane residential and light commercial gas furnaces
- High-limit overheat protection circuits
- Replacement for worn, failed, or nuisance-tripping limit switches
Specifications
- SKU: THT2440
- Brand: Trane
- Reset Type: AUTO (Automatic)
- Temperature Range: 150–180°F
- Function: High-limit overheat protection
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