Long-Reach Capillary: 5-foot capillary tube provides ample length for proper bulb mounting on the suction header

High-Accuracy Monitoring: Features an SA-10K NTC thermistor element for stable

preventing common "no-heat" calls caused by carbon buildup or sensor fatigue

Operating at a nominal 1750 RPM

OEM Reliability: Ensures exact pin configurations and wire gauges to prevent HVAC communication errors

York S1-031-03495-000 Control Board R-22 Long-Reach Capillary: 5-foot capillary tubeThe York S1 031 03495 000 Control Board is a critical OEM 2 stage spark ignition module engineered for high performance residential and light commercial HVAC systems. Operating on a 24V power supply, this board manages complex ignition sequences, including flame sensing, blower timing, and multi stage gas valve regulation. It is a direct replacement for Source 1 components in various furnace models, ensuring the ignition control board maintains