York S1-025-26366-004 Limit Control

The York S1-025-26366-004 Limit Control is a critical L195-65F OEM replacement part designed for high-precision thermal monitoring in HVAC air handlers and furnaces. Featuring a fixed open temperature of 195°F and a reset temperature of 65°F, this fan and limit control switch serves as a vital fail-safe against system overheating. Technicians rely on the S1-025-26366-004 for its specific fan limit switch settings, which ensure the blower cycles correctly based on heat exchanger temperatures. Built to official York HVAC specifications, this component integrates seamlessly into existing wiring harnesses, maintaining the factory-engineered safety sequence. Whether you are performing a furnace limit switch replacement or troubleshooting a short-cycling blower motor, this HVAC high limit control provides the calibrated response needed to protect heat exchangers from thermal stress and ensure consistent airflow throughout the plenum.

• Fixed Thermal Calibration: Precision-engineered to open at 195°F and close at 65°F for reliable high-limit protection.
• OEM Compatibility: Authentic York S1-025-26366-004 ensures exact physical fit and electrical matching for York, Luxaire, and Coleman equipment.
• Heavy-Duty Construction: Designed to withstand the high-temperature environment of furnace heat exchangers without premature contact fatigue.
• Direct Troubleshooting Solution: Resolves issues related to blowers running constantly or burners shutting down before satisfying the thermostat.

What does the L195-65F designation mean?
The L195 indicates the high-limit trip point of 195°F (contacts open on rise), and the 65F indicates the fan or reset setpoint of 65°F (contacts close on fall).

Is this an automatic or manual reset limit control?
The S1-025-26366-004 is an automatic reset control, meaning it will re-engage the circuit once the temperature drops below the 65°F differential threshold.

Can I use this to replace a control with different temperature ratings?
No. For safety and equipment longevity, always match the original L-rating exactly. Using a higher limit switch could lead to heat exchanger failure or fire hazards.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.