York 025-33281-000 Liquid Line Solenoid

The York 025-33281-000 Liquid Line Solenoid is a critical direct-acting valve designed for precise refrigerant flow regulation in high-capacity HVACR systems. Built for 120 VDC operation and rated for up to 650 PSIG, this OEM replacement solenoid valve ensures reliable pump-down cycles and protects compressors from liquid slugging. Its 50/60 Hz compatibility and 23-watt power consumption make it a standard choice for York and Johnson Controls chiller and refrigeration units. Technicians frequently utilize this refrigerant liquid line solenoid to maintain system integrity during off-cycles, preventing migration to the evaporator. For contractors handling York chiller maintenance, this part provides the exact electrical and mechanical specifications required for seamless integration into existing control logic.

Key Benefits

• Optimized Pressure Handling: Rated for 650 PSIG, ensuring safe operation within high-pressure liquid lines.
• Precise Control: Facilitates standard pump-down cycles to eliminate refrigerant migration and ensure clean compressor startups.
• Standardized Electrical Specs: Integrated 120 VDC solenoid coil with 23W draw matches original equipment control boards for reliable energization.
• Professional Grade Construction: Designed specifically for industrial HVACR environments to withstand continuous cycling in demanding refrigeration loops.

Common Questions

First, verify that the 120 VDC signal is reaching the York 025-33281-000 coil. If voltage is present but the valve remains closed, check for a burnt-out coil using a multimeter to test resistance; an open circuit indicates failure. Additionally, ensure the pressure differential does not exceed the valve’s MOPD rating.

While many solenoids offer flexibility, it is best practice to install the 025-33281-000 with the coil in an upright or vertical position. This prevents debris from settling in the plunger tube, which can cause sticking or premature wear on the internal seat.

Chattering is often caused by low voltage to the coil or an incorrect matches between the coil voltage and the system supply. Ensure your HVAC liquid line solenoid is receiving a steady 120 VDC and that the flow direction is following the arrow stamped on the valve body.

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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.