Firstco 9EVR454B-3 TXV Kit for R454B Refrigerant 2.5 Ton and Over

The Firstco 9EVR454B-3 is a thermostatic expansion valve (TXV) kit designed specifically for use with R454B refrigerant in HVAC systems rated at 2.5 tons and over. This kit provides precise refrigerant metering for optimal system performance and efficiency in residential and light commercial applications.

Key Features:

• Compatible with R454B refrigerant (low-GWP A2L refrigerant)
• Designed for systems 2.5 ton capacity and larger
• Thermostatic expansion valve controls refrigerant flow for optimal evaporator performance
• Helps maintain proper superheat levels for efficient operation
• Factory-calibrated for consistent performance
• Direct replacement TXV kit for Firstco equipment

This TXV kit is essential for proper refrigerant management in modern HVAC systems transitioning to R454B refrigerant. The thermostatic expansion valve automatically adjusts refrigerant flow based on system load, ensuring efficient operation across varying conditions while protecting the compressor from liquid floodback.