York S1-331-09150-000 Control Board Kit

The York S1-331-09150-000 Control Board Kit is a critical OEM replacement part designed for Simplicity 1A 2/4 stage HVAC systems. This dual-stage control board acts as the central intelligence for your rooftop or split system unit, managing the precise sequencing of ignition, gas valve regulation, and flame sensing. As a direct replacement for legacy model S1-03109150000, this kit ensures full HVAC system compatibility with residential and commercial air handlers, furnaces, and heat pumps. Licensed technicians value this board for its advanced diagnostics, which utilize specific flash codes to significantly reduce troubleshooting time on the job site. By optimizing the 2-stage heating and cooling cycles, the York S1-331-09150-000 maintains high energy efficiency and prevents unnecessary equipment wear. This kit is engineered for rugged performance in high-demand environments, providing the reliability required for professional commercial maintenance and emergency repairs.

• Precise Dual-Stage Logic: Regulates 2/4 stage heating and cooling cycles to optimize load matching and reduce energy consumption.
• On-Board Diagnostics: Features integrated LED flash codes for rapid identification of ignition failures, pressure switch issues, or limit switch trips.
• OEM Direct Fit: Specifically engineered as a genuine York replacement part, ensuring seamless HVAC part compatibility without wire harness modifications.
• Enhanced System Protection: Monitors flame current and inducer motor feedback to prevent unsafe operating conditions.

• Is this board a direct replacement for the S1-03109150000? Yes, the S1-331-09150-000 is the current manufacturer-approved replacement for the older 031-09150-000 series boards.
• What do the different flash codes indicate? The board uses amber and red LED signals to communicate specific faults such as reversed polarity, pressure switch stuck closed, or flame rollout.
• Does this kit include mounting hardware? While wire connections remain consistent, some installations in older units may require drilling new mounting holes as per the manufacturer's drill template.

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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.