Carrier 340620-731 TXV Thermostatic Expansion Valve

Carrier 340620-731 Thermostatic Expansion Valve

The Carrier 340620-731 is an OEM thermostatic expansion valve (TXV) engineered for use in Carrier refrigeration and air conditioning systems. The TXV plays a critical role in the refrigeration cycle by precisely metering the flow of refrigerant into the evaporator coil, optimizing system efficiency and protecting the compressor from liquid slugging.

Product Overview

Designed as a direct OEM replacement, this TXV ensures a proper fit and reliable performance in compatible Carrier equipment. Using a genuine Carrier replacement valve helps maintain system efficiency, preserve equipment warranties, and reduce the risk of premature component failure.

Key Features

• OEM Carrier replacement thermostatic expansion valve
• Precisely meters refrigerant flow to the evaporator coil
• Helps maintain optimal system superheat levels
• Protects the compressor from liquid refrigerant slugging
• Direct replacement for compatible Carrier systems
• Built to Carrier OEM quality standards

Application

• Compatible with select Carrier air conditioning and refrigeration systems
• Intended for use by qualified HVAC/R technicians
• Verify compatibility with your specific Carrier equipment model before installation

Why Choose an OEM TXV?

Using a genuine OEM thermostatic expansion valve ensures the valve’s operating characteristics — including superheat settings and refrigerant compatibility — match the original design specifications of your Carrier equipment. This supports peak system efficiency, accurate temperature control, and long-term reliability.