York S1-026-33046-700 Control Board

The York S1-026-33046-700 Control Board is a critical OEM replacement part designed for precision furnace and air handler management. This integrated furnace control board (IFC) serves as the primary diagnostic hub and operational sequencer, managing high-voltage components like the blower motor and inducer motor while monitoring low-voltage safety circuits. Engineered specifically for York, Coleman, and Luxaire gas furnaces, this board features an onboard fan timer to optimize airflow post-combustion, ensuring maximum heat exchanger dissipation. Technicians face frequent furnace troubleshooting challenges involving erratic blower operation or ignition failure; the S1-026-33046-700 addresses these issues with refined logic for spark ignition and flame rectification. Replacing a legacy York control board with this genuine HVAC replacement part ensures full compatibility with existing Molex plug harnesses and 24V thermostat interfaces, maintaining factory-spec timing for heating and cooling cycles without the need for field modifications.

Key Benefits

• OEM Precision: Direct York replacement part ensures exact electrical matching for combustion sequences and limit switch monitoring.
• Integrated Blower Timing: Built-in fan control board logic manages adjustable fan-off delays to improve system efficiency and occupant comfort.
• Diagnostic Reliability: Onboard LED provides instant furnace flash codes for rapid identification of pressure switch, flame sensor, or limit circuit faults.
• Heavy-Duty Relays: Robust switching for 115V blower motors and inducer assemblies to withstand high-cycle commercial and residential demands.

Common Questions How do I diagnose a faulty York furnace control board? Common indicators include a steady red LED (internal failure), intermittent blower operation, or failure to initiate the igniter despite a closed pressure switch. Verify 24V power at the 'R' and 'C' terminals before concluding the board is defective. Does the S1-026-33046-700 include an integrated fan timer? Yes, this integrated furnace control features a factory-calibrated fan timer designed to manage the blower delay, ensuring the heat exchanger is adequately cooled after the gas valve closes. Is this board compatible with multi-speed blower motors? The York S1-026-33046-700 is engineered to work with standard PSC and fixed-speed blower configurations common in York family furnaces, providing dedicated terminals for cooling and heating speed taps.

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.