Description
The First Company 9EVR454B-3 is a thermostatic expansion valve (TXV) kit engineered specifically for use with R454B refrigerant in air handler and fan coil applications rated at 2.5 tons and above. Designed as a direct-fit solution for compatible First Company equipment, this TXV kit ensures precise refrigerant metering to maintain optimal system efficiency, consistent superheat control, and long-term reliability in modern low-GWP refrigerant systems.
As the HVAC industry transitions to next-generation A2L refrigerants like R454B, having the correct expansion valve is critical to system performance and safety. The 9EVR454B-3 is purpose-built to meet the demands of these newer refrigerant blends, making it an ideal choice for new installations and retrofit applications on qualifying First Company air handlers.
Key Features
- Designed for R454B (A2L) low-GWP refrigerant systems
- Sized for 2.5-ton capacity and above
- Provides accurate refrigerant metering and superheat control
- Direct-fit replacement for compatible First Company air handlers and fan coils
- Supports system efficiency and longevity in next-generation HVAC applications
- Ideal for new installations and qualifying retrofits
Application
- Compatible Equipment: First Company air handlers and fan coils
- Refrigerant Type: R454B (A2L)
- Minimum System Capacity: 2.5 Tons
Why Choose the First Company 9EVR454B-3?
As regulations drive the adoption of lower-GWP refrigerants, ensuring your expansion valve is rated and matched for R454B is essential. The 9EVR454B-3 TXV Kit delivers the precision metering required for peak system performance, helping technicians and contractors maintain comfort, efficiency, and code compliance in residential and light commercial HVAC systems.
