The Nordyne 632487R Pressure Switch is the official OEM replacement part for the aging 632487 series

If the porcelain insulator is cracked

60Hz single-phase circuit

always verify your specific model's rating plate before installation

York S1-031-09199-000 Thermistor Sensor 326058-756 The Nordyne 632487R Pressure SwitchThe 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. This OEM heating and cooling replacement part provides critical resistance data to the control board to manage refrigerant flow, air delivery, and system cycling. Field technicians rely on this HVAC thermistor replacement for its specific resistance curve, ensuring that