York 025-34585-000 Liquid Line Solenoid

The York 025-34585-000 Liquid Line Solenoid is a heavy-duty, normally closed HVAC refrigerant valve designed for precise fluid control in commercial and industrial cooling circuits. Operating on a standard 24V AC coil, this solenoid is a critical component for maintaining system pressure and preventing liquid migration to the compressor during the off-cycle. This valve is typically engineered for a pressure range of 300-400 PSI, making it compatible with high-pressure refrigerants common in York chiller and condenser applications. With a robust brass body construction and 3/8” to 1/2” NPT connections, it ensures a tight seal and reliable MOPD (Maximum Operating Pressure Differential) performance. Experienced techs know that proper sizing by capacity, not just line size, is essential to prevent chattering or failure to open. Whether utilized for a refrigerant pump-down cycle or as a standard isolation valve, this genuine York OEM part provides the exact fit and electrical specifications required to maintain peak thermal expansion valve efficiency and system reliability.

• Optimized System Efficiency: Prevents refrigerant migration to the evaporator, reducing the risk of slugging and improving startup performance.
• Durable Brass Construction: High-grade materials resist corrosion and handle the rigorous thermal cycles of industrial HVAC automation.
• Reliable 24V Control: Integrates seamlessly with standard York control boards and thermostats for responsive opening and closing actions.
• High Pressure Interface: Rated for technical environments requiring stable liquid line flow control under demanding PSI loads.
• OEM Precision: Guaranteed compatibility with specific York and Johnson Controls equipment, eliminating the guesswork associated with aftermarket solenoid valves.

What causes a liquid line solenoid valve to fail?
Mechanical failure often stems from debris or scale sticking the plunger, while electrical failure is typically due to a burnt-out solenoid coil or improper voltage supply.

Can I install this valve in any orientation?
For optimal performance, these valves should be installed in a horizontal line with the coil in an upright position to prevent sediment buildup and ensure proper plunger lift.

Why is my solenoid valve chattering or vibrating?
Chattering is usually a sign of intermittent current to the coil or an undersized valve creating an insufficient pressure drop to hold the plunger steady.

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.