Product Name：York 025-40273-004 Temperature Sensor
Core Features
1. Advantage：
This YORK temperature sensor (P/N 025-40273-004) is a legacy water-entry temperature sensor used on YORK chillers to measure incoming or outgoing water temperature at the heat exchanger. The sensor signal feeds the chiller control board, which adjusts capacity and staging based on water temperature. A drifted or failed sensor causes wrong water-temperature readings, which leads to incorrect staging, nuisance lockouts, or poor comfort control.
2.Supply & Packaging:
Brand: YORK / Johnson Controls
Part No.: 025-40273-004
Type: Temperature Sensor (legacy water-entry)
Application: YORK chiller water temperature measurement
Origin: Baltimore, MD 21237, USA (ORIGIN US)
Date Code: 2026-06-19
Gross Weight: ~0.3 kg
Packing: YORK white pouch, blue label
Condition: 100% genuine original factory new
3.Our Advantage
Water temperature sensors are among the most overlooked parts in chiller maintenance-their readings look plausible even when they are slightly off, so the chiller runs ineffectively without throwing an obvious fault. We supply the original YORK sensor matched to your legacy unit. If your chiller shows water-temperature-related faults or inconsistent staging, send us the fault code and we will help confirm the sensor is the cause.
Transportation Methods
UPS, DHL,FeDex, Sea and air freight, etc
Package
Wooden cases and cartons and so on
FAQ
Q: How can we contact you?
A:1. WhatsApp / Wechat: +86 15893891309 Violet Yan
Email:kr.chiller@foxmail.com
Q: 2 Q: How do I test if the sensor is bad?
A: Measure resistance across the sensor leads and compare with the expected resistance at known water temperature. A reading far outside the curve, or an open circuit, indicates a failed sensor.
Q: 3.:Where is this sensor installed?
A:It is installed at the water-entry or water-exit point of the chiller heat exchanger, per your unit's piping diagram. The sensor must contact the water flow for accurate reading.
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