Trane VAL7233 TXV

The Trane VAL7233 is a high-capacity, OEM thermostatic expansion valve (TXV) engineered for large-scale 30-ton R22 refrigeration and air conditioning systems. Designed to maintain precise evaporator superheat, this valve features a 1 1/8-inch inlet and a 1 3/8-inch outlet for maximum refrigerant throughput in high-tonnage applications. The 60-inch capillary tube provides the necessary reach for flexible sensing bulb placement on the suction line, ensuring the mechanical feedback loop accurately responds to load fluctuations. By regulating the mass flow of R22 refrigerant, the VAL7233 prevents liquid slugging and protects the compressor during various operating conditions. This non-bleed valve is a direct replacement for Trane HVAC parts in commercial air handlers and chillers where maintaining a stable thermal balance is critical for system efficiency. For a complete repair, technicians should verify the sensing bulb is securely insulated and clamped at the 10 or 2 o'clock position to ensure optimal thermal contact.

• 30-ton nominal capacity designed specifically for large commercial HVACR evaporator coils.
• OEM Trane quality ensures exact fitment and pressure drop characteristics for legacy R22 systems.
• 60-inch capillary length allows for versatile remote sensing bulb mounting in tight equipment cabinets.
• Precision metering protects the compressor from liquid floodback and prevents evaporator coil freeze-ups.
• Hard-braze or mechanical fittings maintain high-pressure seal integrity under heavy vibration.

• What are the symptoms of a failing VAL7233 TXV? Common indicators include erratic superheat readings, frost on the expansion valve body, or the system failing to reach setpoint despite proper charge levels.
• Can this be used with R410A refrigerant? No, the VAL7233 is calibrated specifically for the pressure-temperature curve of R22; using it with other refrigerants will lead to improper metering and potential compressor damage.
• Is a hard start kit required with this valve? For systems utilizing scroll compressors or those with high pressure differentials at startup, a hard start kit is recommended to assist the motor when using a non-bleed TXV.

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.