Description
The Trane VAL7344 is a factory-engineered Thermostatic Expansion Valve (TXV) designed for use with R-410A refrigerant in 1-ton residential and light-commercial cooling systems. Built to Trane’s exacting OEM standards, this valve delivers precise refrigerant metering to maintain optimal superheat across a wide range of operating conditions, protecting the compressor and maximizing system efficiency.
Key Features
- Designed specifically for R-410A (zero-ODP, low-GWP) refrigerant systems
- 1-ton (12,000 BTU/hr) nominal capacity rating
- 3/8″ inlet x 1/2″ outlet connection sizing for straightforward drop-in replacement
- Precise superheat control to protect the compressor from liquid slugging
- OEM Trane replacement part — engineered to original equipment specifications
- Durable construction for long service life in demanding HVAC environments
Application
The VAL7344 is the correct OEM TXV replacement for compatible 1-ton Trane split-system air conditioners and heat pumps operating on R-410A refrigerant. Proper TXV operation ensures the evaporator coil is fully utilized, preventing both liquid floodback and excessive superheat that can reduce capacity and efficiency.
Installation Notes
- Always verify system refrigerant type (R-410A) and tonnage before installation
- Ensure the sensing bulb is properly secured to the suction line for accurate superheat sensing
- Follow all applicable local codes and Trane service guidelines during installation
- Recommended for installation by qualified HVAC technicians only
Specifications
- Brand: Trane
- Part Number / SKU: VAL7344
- Refrigerant: R-410A
- Nominal Capacity: 1 Ton (12,000 BTU/hr)
- Inlet Connection: 3/8″
- Outlet Connection: 1/2″
- Valve Type: Thermostatic Expansion Valve (TXV)
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