York 025-40273-008 Sensor
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York 025-40273-008 Sensor

York 025-40273-008 Sensor

The York 025-40273-008 Ambient Temperature Sensor is a critical thermistor-based component engineered specifically for York YCAL Air-Cooled Scroll Chillers. This NTC (Negative Temperature Coefficient) sensor provides high-precision resistance feedback to the Millennium or OptiView control centers, allowing for accurate staging and head pressure management based on outdoor ambient conditions. As a direct OEM replacement part, it ensures the control logic maintains the correct refrigerant pressure-temperature relationship, preventing unnecessary low-ambient trips or compressor cycling issues. The sensor features a ruggedized encapsulation to withstand moisture ingress and thermal cycling, ensuring stable HVAC sensor calibration over extended service life. For field technicians, this 025-40273-008 thermistor is essential for restoring automated chiller ambient lockout functions and optimizing system efficiency. Integration involves standard two-wire lead terminals, designed for seamless connection to existing wiring harnesses without the signal drift common in universal aftermarket alternatives.

Key Benefits for Technicians
  • Precise Resistance Matching: Calibrated specifically for York YCAL control algorithms to ensure accurate ambient temperature monitoring.
  • OEM Compatibility: Guaranteed fit for York YCAL0019 through YCAL0080 models, eliminating field modification time.
  • Enhanced System Reliability: Prevents false sensor readings that lead to cooling system troubleshooting errors and inefficient staging.
  • Durable Construction: Built to endure the high-UV and moisture environments typical of rooftop chiller installations.
Common Industrial HVAC Questions

What are the symptoms of a failing York ambient temperature sensor?
Failure typically results in erroneous outdoor air readings on the chiller controller, leading to improper head pressure control, ambient temperature sensor failure codes, or the chiller failing to start in low-ambient conditions.

Can this sensor be used on York YIV or YLAA models?
While some York sensors share similar ohms-to-temperature curves, the 025-40273-008 is specifically validated for the YCAL series. Cross-referencing the York chiller parts list for your specific serial number is recommended to ensure resistance curve alignment.

Does this sensor require specialized calibration during installation?
No, this is a plug-and-play HVAC thermistor replacement. Once connected, the control board should automatically recognize the resistance value, though a manual temperature verification with a multimeter is standard best practice.

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.

$46.58

Original: $133.09

-65%
York 025-40273-008 Sensor

$133.09

$46.58

York 025-40273-008 Sensor

The York 025-40273-008 Ambient Temperature Sensor is a critical thermistor-based component engineered specifically for York YCAL Air-Cooled Scroll Chillers. This NTC (Negative Temperature Coefficient) sensor provides high-precision resistance feedback to the Millennium or OptiView control centers, allowing for accurate staging and head pressure management based on outdoor ambient conditions. As a direct OEM replacement part, it ensures the control logic maintains the correct refrigerant pressure-temperature relationship, preventing unnecessary low-ambient trips or compressor cycling issues. The sensor features a ruggedized encapsulation to withstand moisture ingress and thermal cycling, ensuring stable HVAC sensor calibration over extended service life. For field technicians, this 025-40273-008 thermistor is essential for restoring automated chiller ambient lockout functions and optimizing system efficiency. Integration involves standard two-wire lead terminals, designed for seamless connection to existing wiring harnesses without the signal drift common in universal aftermarket alternatives.

Key Benefits for Technicians
  • Precise Resistance Matching: Calibrated specifically for York YCAL control algorithms to ensure accurate ambient temperature monitoring.
  • OEM Compatibility: Guaranteed fit for York YCAL0019 through YCAL0080 models, eliminating field modification time.
  • Enhanced System Reliability: Prevents false sensor readings that lead to cooling system troubleshooting errors and inefficient staging.
  • Durable Construction: Built to endure the high-UV and moisture environments typical of rooftop chiller installations.
Common Industrial HVAC Questions

What are the symptoms of a failing York ambient temperature sensor?
Failure typically results in erroneous outdoor air readings on the chiller controller, leading to improper head pressure control, ambient temperature sensor failure codes, or the chiller failing to start in low-ambient conditions.

Can this sensor be used on York YIV or YLAA models?
While some York sensors share similar ohms-to-temperature curves, the 025-40273-008 is specifically validated for the YCAL series. Cross-referencing the York chiller parts list for your specific serial number is recommended to ensure resistance curve alignment.

Does this sensor require specialized calibration during installation?
No, this is a plug-and-play HVAC thermistor replacement. Once connected, the control board should automatically recognize the resistance value, though a manual temperature verification with a multimeter is standard best practice.

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.

Product Information

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Description

The York 025-40273-008 Ambient Temperature Sensor is a critical thermistor-based component engineered specifically for York YCAL Air-Cooled Scroll Chillers. This NTC (Negative Temperature Coefficient) sensor provides high-precision resistance feedback to the Millennium or OptiView control centers, allowing for accurate staging and head pressure management based on outdoor ambient conditions. As a direct OEM replacement part, it ensures the control logic maintains the correct refrigerant pressure-temperature relationship, preventing unnecessary low-ambient trips or compressor cycling issues. The sensor features a ruggedized encapsulation to withstand moisture ingress and thermal cycling, ensuring stable HVAC sensor calibration over extended service life. For field technicians, this 025-40273-008 thermistor is essential for restoring automated chiller ambient lockout functions and optimizing system efficiency. Integration involves standard two-wire lead terminals, designed for seamless connection to existing wiring harnesses without the signal drift common in universal aftermarket alternatives.

Key Benefits for Technicians
  • Precise Resistance Matching: Calibrated specifically for York YCAL control algorithms to ensure accurate ambient temperature monitoring.
  • OEM Compatibility: Guaranteed fit for York YCAL0019 through YCAL0080 models, eliminating field modification time.
  • Enhanced System Reliability: Prevents false sensor readings that lead to cooling system troubleshooting errors and inefficient staging.
  • Durable Construction: Built to endure the high-UV and moisture environments typical of rooftop chiller installations.
Common Industrial HVAC Questions

What are the symptoms of a failing York ambient temperature sensor?
Failure typically results in erroneous outdoor air readings on the chiller controller, leading to improper head pressure control, ambient temperature sensor failure codes, or the chiller failing to start in low-ambient conditions.

Can this sensor be used on York YIV or YLAA models?
While some York sensors share similar ohms-to-temperature curves, the 025-40273-008 is specifically validated for the YCAL series. Cross-referencing the York chiller parts list for your specific serial number is recommended to ensure resistance curve alignment.

Does this sensor require specialized calibration during installation?
No, this is a plug-and-play HVAC thermistor replacement. Once connected, the control board should automatically recognize the resistance value, though a manual temperature verification with a multimeter is standard best practice.

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.