York 025-32905-000 Expansion Valve

The York 025-32905-000 Expansion Valve is a critical metering component designed for high-tonnage R-22 HVAC systems, common in legacy York chillers and large commercial air handlers. As a genuine OEM thermostatic expansion valve (TXV), it regulates refrigerant flow into the evaporator coil by maintaining a constant superheat, preventing liquid slugging and ensuring optimal heat exchange efficiency. This externally equalized valve is engineered to handle the specific pressure-temperature relationships of HCFC-22 refrigerant, providing precise modulation even under fluctuating load conditions.

For contractors performing chiller maintenance or York HVAC repairs, using this exact OEM part ensures the internal orifice sizing and spring tension match the original system specifications. The robust construction of the bellows and power element provides long-term reliability in demanding environments. When replacing an old 025-32905-000 valve, always inspect the equalizer line and sensing bulb placement to maximize the refrigerant flow control and overall system performance.

• OEM Compatibility: Precision-engineered for seamless integration into York R-22 refrigeration systems.
• Optimized Superheat Control: Maintains steady evaporator performance to protect the compressor from liquid carryover.
• Durable Power Element: Constructed to withstand high-pressure differentials and thermal cycling common in commercial applications.
• Accurate Refrigerant Metering: Prevents hunting and ensures the evaporator coil stays fully active for maximum cooling capacity.

Common Questions

Is the 025-32905-000 expansion valve compatible with R-407C retrofits?
While R-407C is a common replacement for R-22, the pressure-temperature curve differs. This valve is calibrated specifically for R-22 refrigerant; using it with other gases may require manual superheat adjustment or may result in sub-optimal flow characteristics.

What are the symptoms of a failing York TXV?
Typical indicators include high superheat at the evaporator outlet, frost on the expansion valve body, or unstable suction pressures (hunting). If the valve is stuck closed, it will cause low suction pressure and potential compressor overheating.

Does this valve include the sensing bulb and mounting hardware?
Yes, as a complete York OEM replacement part, it includes the integrated power element and capillary tube necessary for field installation.

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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.