York S1-025-39887-000 Spark Ignitor

The York S1-025-39887-000 Spark Ignitor is a critical OEM replacement component designed for precise furnace ignition sequences in high-efficiency residential and light commercial units. Engineered for reliable HVAC spark ignition, this assembly features a durable ceramic insulator and a robust electrode designed to withstand high-temperature combustion environments. The integrated 28-inch lead wire allows for flexible routing within the burner compartment, ensuring a secure connection to the ignition control board. When troubleshooting intermittent ignition or total furnace lockout, replacing a fouled or cracked York ignitor electrode restores consistent arc performance and prevents unburned fuel buildup. This genuine S1-025-39887-000 replacement part ensures the system meets original manufacturer delta-T and combustion efficiency specifications. For technicians performing York furnace repair, this component ensures the automatic spark ignition system operates within tight electrical tolerances, reducing nuisance service calls and maintaining system safety protocols during the heating season.

• OEM Precision: Direct replacement for York S1-025-39887-000 ensures exact gap spacing for reliable spark production.
• Extended Reach: Includes a 28-inch lead for versatile installation across various York and Coleman furnace chassis.
• High-Dielectric Strength: Reinforced ceramic housing prevents voltage leakage and ensures the arc occurs at the burner.
• Combustion Efficiency: Maintains proper ignition timing, reducing stress on the heat exchanger.

Is the S1-025-39887-000 compatible with Coleman or Luxaire units?
Yes, as an OEM Johnson Controls part, this spark ignitor is frequently used in York, Coleman, and Luxaire gas-fired equipment that utilizes similar pilot-on-demand systems.

Why is the 28-inch lead length important?
The 28-inch lead wire provides necessary slack for proper cable management, preventing tension on the connector and ensuring the wire stays clear of high-heat zones and moving parts.

What are the signs of a failing York spark ignitor?
Typical failure modes include visible cracks in the ceramic, excessive carbon buildup on the electrode tip, or a weak/intermittent spark that fails to ignite the gas valve output.

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.