These parts are electrically and physically identical

The York S1-031-09199-000 Thermistor Sensor is a precision-engineered 10k ohm NTC temperature sensor designed for accurate thermal feedback in York and Johnson Controls HVAC systems

High-Capacity 20kW Output: Delivers significant auxiliary or primary heating capacity for large-scale residential or light commercial zones

If the transformer is failing

the Ranco T34-131 provides the precise timing reliability professional contractors demand

York 025-36313-000 Spark Ignitor 318518-761 These parts are electrically andThe York 025 36313 000 Spark Ignitor is a critical direct replacement component engineered for precision ignition in York, Luxaire, and Coleman gas fired heating units. This high voltage S1 025 36313 000 electrode is designed to withstand the thermal stress of constant cycling within the combustion chamber, ensuring a consistent arc to the burner assembly. As a genuine OEM HVAC replacement part, it maintains the specific gap tolerances required for