Trane VAL10370 TXV Thermostatic Expansion Valve 3 Ton R410A 3/8" x 1/2"

The Trane VAL10370 is a thermostatic expansion valve (TXV) designed for 3-ton residential and light commercial air conditioning systems using R410A refrigerant. This precision metering device regulates refrigerant flow into the evaporator coil, ensuring optimal system performance and efficiency across varying load conditions.

Key Specifications:

• Capacity: 3 ton (36,000 BTU/hr)
• Refrigerant: R410A
• Inlet connection: 3/8" ODF (flare)
• Outlet connection: 1/2" ODF (flare)
• Genuine Trane OEM replacement component
• Thermal sensing bulb included for accurate superheat control

Features & Benefits:

• Maintains proper superheat to prevent liquid refrigerant from entering the compressor
• Improves system efficiency by optimizing refrigerant flow
• Factory-calibrated for reliable, consistent operation
• Durable brass construction for long service life
• Direct OEM replacement for Trane and American Standard systems

This TXV is commonly used in split system air conditioners and heat pumps. Proper installation requires brazing connections and vacuum evacuation of the refrigerant system. Professional HVAC technician installation is recommended to ensure proper sizing, placement of the sensing bulb, and system performance.