Description
The York S1-031-03888-000 is an OEM replacement circuit board engineered for two-stage furnace applications. Designed to meet the exact specifications of compatible York furnace systems, this control board manages critical furnace functions including ignition sequencing, blower motor operation, and two-stage heating control — ensuring precise, efficient, and safe furnace performance.
Key Features
- OEM York replacement circuit board for two-stage furnace systems
- Controls two-stage heating operation for improved comfort and energy efficiency
- Manages ignition sequencing, blower timing, and system diagnostics
- Direct drop-in replacement for compatible York furnace models
- Built to OEM quality standards for reliable, long-term performance
- Supports proper integration with existing furnace components and controls
Application
This circuit board is intended as a direct OEM replacement for compatible York two-stage furnaces. Always verify compatibility with your specific furnace model number before installation. Installation should be performed by a qualified HVAC technician in accordance with local codes and the manufacturer’s guidelines.
Product Specifications
- Brand: York
- Part Number: S1-031-03888-000
- Type: Two-Stage Furnace Circuit Control Board
- Application: York Two-Stage Gas Furnaces







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