York S1-031-09187-000 Control Board

The York S1-031-09187-000 Control Board is a critical OEM replacement part designed for single stage spark ignition HVAC systems. Engineered for high-performance gas-fired appliances, this integrated furnace control manages the pilot ignition sequence, gas valve operation, and flame sensing with precision. As a veteran-grade HVAC ignition control board, it features built-in diagnostic LED indicators that allow field technicians to rapidly troubleshoot system lockouts and flame rectification issues. The robust circuitry is designed to withstand the thermal stressors found in modern heat exchangers, ensuring consistent logic timing and safety switch monitoring. This direct spark ignition (DSI) board is the standard for maintaining factory-spec reliability in specific York, Luxaire, and Coleman equipment. By utilizing genuine York furnace parts, contractors ensure seamless physical fitment and electrical compatibility, eliminating the diagnostic headaches often associated with universal aftermarket alternatives. This printed circuit board (PCB) serves as the central hub for safety limit strings and inducer motor signaling.

• OEM Precision: Maintains the original factory sequence of operation for single stage spark ignition units.
• Diagnostic Speed: On-board LED flash codes provide immediate feedback for HVAC troubleshooting.
• Safety Integration: Continuously monitors high-limit switches and roll-out sensors to prevent hazardous operating conditions.
• System Longevity: High-grade relay components and moisture-resistant coating ensure durable performance in demanding mechanical environments.

What are the symptoms of a failing York spark control board?
Technicians typically observe intermittent ignition failure, the lack of a spark at the electrode despite a call for heat, or "hunting" where the gas valve cycles rapidly without established flame rectification.

Is the S1-031-09187-000 compatible with hot surface ignition systems?
No, this specific board is engineered strictly for single stage spark control applications. For silicon carbide or nitrated hot surface ignition, a different logic board series is required.

How do I read the diagnostic light on this board?
The LED will flash a specific pattern indicating the failure mode, such as pressure switch stuck open, limit string lockout, or ignition failure after multiple trials.

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.