Description
Overview
The First Company 9EVR454B-1 is a factory-engineered Thermostatic Expansion Valve (TXV) Kit with sensor, designed specifically for use with R454B refrigerant in First Company’s CE100 series fan coil and air handler units. This kit provides accurate refrigerant metering to optimize system efficiency, protect the compressor from liquid slugging, and ensure consistent cooling performance across varying load conditions.
Key Features
- Designed specifically for R454B (A2L low-GWP) refrigerant compatibility
- Complete kit includes TXV valve and sensing bulb/sensor assembly
- Engineered for First Company CE100 series air handlers and fan coil units
- Precise superheat control for optimized system efficiency
- Protects compressor from liquid floodback
- Drop-in replacement or upgrade kit for applicable First Company equipment
- OEM-quality components for reliable, long-term performance
Application
- Compatible equipment: First Company CE100 series fan coil/air handler units
- Refrigerant: R454B (A2L low-GWP, next-generation refrigerant)
- Suitable for residential and light commercial HVAC applications
Why Upgrade to R454B?
R454B is a next-generation A2L refrigerant with a significantly lower Global Warming Potential (GWP) compared to legacy refrigerants such as R410A. This TXV kit ensures your First Company system is properly equipped to operate efficiently and safely with R454B, supporting compliance with evolving environmental regulations.
Installation Notes
- Intended for installation by qualified HVAC technicians
- Follow all applicable local codes and manufacturer guidelines when working with A2L refrigerants
- Refer to First Company CE100 series installation documentation for proper TXV placement and sensor bulb mounting
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