Description
The York S1-031-03884-000 is an OEM replacement 2-stage circuit board featuring Pulse Width Modulation (PWM) control, engineered to deliver reliable, accurate performance in compatible York HVAC systems. Designed as a direct factory replacement, this control board helps restore your equipment to peak operating condition with confidence.
Key Features
- Two-stage operation for enhanced comfort and energy efficiency
- Pulse Width Modulation (PWM) control for precise fan or motor speed regulation
- OEM York replacement part — ensures compatibility and reliable fit
- Designed for direct drop-in replacement in supported York equipment
- Helps maintain consistent system performance and extends equipment life
Why Choose the York S1-031-03884-000?
Using a genuine York OEM circuit board ensures your HVAC system operates exactly as designed. The integrated PWM functionality allows for smooth, variable-speed motor or blower control, reducing energy consumption and improving overall system comfort. The 2-stage design supports multi-stage heating or cooling operation, allowing the system to match output to actual demand — reducing short-cycling and improving efficiency.
Application
- Replacement circuit board for compatible York residential and light commercial HVAC systems
- Consult your equipment’s service manual or contact a qualified technician to confirm compatibility before installation







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