Description
Trane CNT2861 L35-15F Limit Control Overview
The Trane CNT2861 is an OEM replacement L35-15F Limit Control designed to protect Trane heating equipment from unsafe operating temperatures. Limit controls are critical safety components in furnaces and air handlers — they monitor heat exchanger or plenum temperatures and interrupt the burner or heating circuit if temperatures exceed the rated set point, preventing equipment damage and potential hazards.
Key Features
- OEM Trane replacement part — engineered to factory specifications for reliable fit and function
- L35-15F limit control designation for precise over-temperature protection
- Interrupts burner or heating circuit when temperature exceeds the rated limit set point
- Designed for use in Trane furnaces and heating systems requiring CNT2861 limit control
- Helps safeguard heat exchangers and system components from thermal damage
- Direct drop-in replacement to minimize downtime during service calls
Application
The CNT2861 limit control is intended as a direct OEM replacement for Trane heating systems that specify this part number. Always verify compatibility with your specific Trane model before installation. Consult the equipment service manual for proper wiring, mounting, and set point verification procedures.
Why Choose OEM Trane Replacement Parts?
Using genuine or OEM-equivalent Trane replacement controls ensures your equipment operates within designed safety parameters. Aftermarket substitutes may not meet the original temperature ratings or electrical specifications, potentially voiding warranties or compromising system safety. The CNT2861 is the correct, specified replacement to restore your system to peak performance.







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