Product Name：YORK 325-43503-001 Liquid Level Sensor
Core Features
1. Advantage：
This long-probe liquid level sensor (P/N 325-43503-001) is installed in the chiller compressor oil sump or refrigerant line to continuously monitor fluid level. It sends real-time level data to the unit controller, which triggers low-level alarms and protective shutdown before lubrication starvation causes compressor damage. The long stainless steel probe design ensures reliable detection even in turbulent oil or refrigerant conditions inside the operating chiller.
2.Supply & Packaging:
Brand: YORK / Johnson Controls
Part No.: 325-43503-001
Type: Liquid Level Sensor / Probe
Probe Length: ~650 mm
Application: YORK chiller oil level / refrigerant level monitoring
Origin: Baltimore, MD, USA
Gross Weight: ~1 kg
Packing: Original factory long cardboard box
Connector: Electrical plug-in type
3.Our Advantage
False or no level readings are a common cause of unplanned chiller shutdowns. Many times the sensor itself is fine-it is just a loose connector or a clogged probe. Our technical support team can help you diagnose whether it is truly the sensor that needs replacing before you place an order, saving you unnecessary part cost and shipping time.
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
2. The E-Link board provides serial communication ports between the chiller main controller and the building BMS, service laptop, or remote monitoring system. It does not run the chiller - it is the communication interface.
Q: 2..What does this sensor measure?
A This is a liquid level sensor, typically used to monitor compressor oil sump level on YORK centrifugal or screw chillers. If oil level drops below a safe threshold, the sensor triggers an alarm to protect the compressor from lubrication failure.
Q: 3.What should I check before replacing the sensor?
A:First check the electrical connector for loose wires or corrosion. Also inspect the probe tip for oil sludge buildup-cleaning it may restore normal readings. If neither helps, then sensor replacement is likely needed.
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