York 025-40273-004 Temperature Sensor R-410A meeting ASME Standard CSD-1 requirements

meeting ASME Standard CSD-1 requirements for secondary safety controls

meeting all factory specifications for fit and function

while this model is factory-configured for natural gas

the sensor is likely failing to send the proper signal to the control board due to carbon buildup or internal resistance

Check for 120V at the leads

York 025-40273-004 Temperature Sensor R-410A meeting ASME Standard CSD-1 requirementsThe York 025 40273 004 is a precision engineered leaving water temperature sensor designed for integration with high efficiency York chillers and HVAC systems. This thermistor style sensor provides critical feedback to the chiller control board, allowing for accurate monitoring of evaporator leaving water temperatures. Operating with tight resistance to temperature curves, this component ensures the HVAC control system can prevent freeze up conditions