York S1-331-09150-002 Control Board

The York S1-331-09150-002 Control Board is a critical OEM replacement for Simplicity 1A 2-Stage Control Kit configurations in commercial and residential York equipment. This high-reliability HVAC control board is engineered to manage complex 2-stage cooling and heating sequences, ensuring precise logic for compressors, indoor blowers, and ignition timing. As a York S1-331-09150-002 service part, it provides a direct drop-in solution for service technicians dealing with unit diagnostic errors or failed logic circuits. This board serves as the direct successor and replacement for legacy part numbers 031-01920-000, 031-01934-002, and 1153-83-2A. By maintaining factory-standard 2-stage HVAC controller protocols, this kit restores original equipment performance and mitigates common system protection faults. The Simplicity 1A 2-stage (C/H) design allows for optimized energy efficiency by cycling stages based on real-time demand, essential for high-performance HVACR maintenance.

Key Technical Benefits:

• Direct OEM Replacement: Ensures 100% compatibility with York Simplicity 1A control systems without the need for field modifications.
• Advanced 2-Stage Logic: Manages both heating and cooling operation sequences to maintain tight temperature differentials and maximize compressor lifespan.
• Enhanced Diagnostics: Integrated logic helps identify system faults quickly, reducing downtime during emergency service calls.
• Broad Cross-Compatibility: Replaces obsolete part numbers 031-01920-000, 031-01934-002, and 1153-83-2A.
• Field Reliability: Built to withstand the voltage fluctuations and thermal stresses common in commercial rooftop units and heavy-duty split systems.

Common Questions & Installation Notes:

What symptoms indicate a failed York S1-331-09150-002 control board?
Common indicators include the indoor blower failing to engage, the unit being stuck in a single stage regardless of thermostat demand, or the board failing to provide output voltage to the contactors despite receiving a 24V signal.

How do I confirm compatibility with my York unit?
Check your unit’s data plate for the model and serial number. This board is the specific Simplicity 1A 2-Stage Control Kit replacement. If your unit utilizes the older 031-series boards listed above, this is the current manufacturer-approved update.

Does this kit include everything needed for a field swap?
Yes, the York S1-331-09150-002 Control Board kit includes the main logic board and the necessary components required to restore the 2-stage control functionality to the OEM specification.

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.