Description
The York S1-373-49822-001 is an OEM single-stage furnace circuit board designed without a communication interface, making it a direct-fit replacement for compatible York heating systems. Engineered to York’s original specifications, this control board manages the core operating functions of single-stage furnace systems, ensuring safe, consistent, and efficient operation.
Product Overview
As an authorized York replacement part, the S1-373-49822-001 circuit board restores full system functionality when the original board has failed or become damaged. Its single-stage design is purpose-built for systems that do not require communicating thermostat integration, providing a straightforward, reliable solution for standard installations.
Key Features
- OEM York replacement circuit board — ensures compatibility and performance
- Single-stage operation — designed for non-communicating furnace systems
- Without communication (W/O COMM) — compatible with standard, non-communicating thermostats
- Direct drop-in replacement for original York board
- Supports core furnace control functions including ignition sequencing, blower control, and safety lockout
- Built to York’s original design and quality standards
Application
- Compatible with select York single-stage gas furnaces
- Intended for use in residential heating applications
- Verify compatibility with your specific York model before installation
Installation Notes
This circuit board is intended for installation by qualified HVAC technicians. Always disconnect power before servicing. Refer to the furnace’s original wiring diagram and service manual to ensure proper installation and safe operation.







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