Description
The York S1-6555127 is an OEM replacement two-stage circuit board kit designed for compatible York heating and cooling systems. This control board kit supports two-stage operation, enabling your system to run at low capacity during moderate conditions and ramp up to full capacity when demand increases — improving comfort, efficiency, and equipment longevity.
Key Features
- Two-stage operation for enhanced comfort and energy efficiency
- Without communications (W/O COMM) — designed for non-communicating system configurations
- OEM York replacement part for precise fit and performance
- Engineered to restore full system functionality when the original board fails
- Reliable circuit board kit format for straightforward installation
Application
The S1-6555127 circuit board kit is intended for use in York HVAC equipment that utilizes a two-stage, non-communicating control board. Always verify compatibility with your specific York model before installation. Consult the equipment’s service manual or contact a qualified HVAC technician for proper installation guidance.
Why Choose OEM York Parts?
- Ensures compatibility with existing York system components
- Maintains manufacturer performance standards
- Reduces risk of callbacks and repeat service calls
- Backed by York’s engineering and quality control







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