York S1-025-26392-012 Rollout Switch

The York S1-025-26392-012 Rollout Switch is a critical safety component designed for precise thermal monitoring in high-efficiency gas furnaces and HVAC systems. As a genuine OEM York replacement part, this SPST (Single Pole Single Throw) limit control ensures the burner circuit is interrupted if a flame rollout condition is detected. This specific model features an automatic reset configuration, calibrated to "open" and break the electrical circuit at 160 degrees F and "close" to restore operation once the temperature drops to 120 degrees F. Its robust construction and standardized mounting make it an essential furnace safety switch for maintaining equipment uptime and protecting the heat exchanger from excessive thermal stress.

Key Benefits for HVAC Technicians:

• Precision Calibration: Factory-set 160°F trip point ensures rapid response to abnormal combustion temperatures.
• Automatic Reset Logic: Eliminates the need for manual intervention once the unit reaches 120°F, ideal for remote or unattended systems.
• Broad Compatibility: Engineered specifically for York, Luxaire, and Coleman equipment, including compatibility with model D4CG120N20025.
• High-Temperature Durability: Designed as a heavy-duty limit control switch capable of withstanding the rigors of commercial and residential vestibule environments.

Common Questions & Answers:

Can I substitute this with a manual reset switch?
Standard protocol dictates using the reset type specified by the manufacturer. Since the S1-025-26392-012 is an automatic reset switch, substituting it with a manual version may cause unnecessary system lockouts if the temperature fluctuations are within normal operating parameters.

What causes a rollout switch to trip at 160 degrees?
A trip at this threshold typically indicates restricted flue venting, a cracked heat exchanger, or gas pressure issues causing flames to migrate toward the vestibule. Always inspect the burner assembly and draft inducer when Replacing a tripped limit switch.

Is this compatible with other brands?
While this is a York S1-025-26392-012, it is also the direct replacement for various Coleman and Luxaire rollout limit controls. Always cross-reference the part number on the existing housing before installation.

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.