Firstco 9EVR22-4 R-22 Thermostatic Expansion Valve Kit for 18HBQB/24HBQB Air Handlers

The Firstco 9EVR22-4 is a thermostatic expansion valve (TXV) kit designed for use with R-22 refrigerant in 18HBQB and 24HBQB series air handler models. This field-installed expansion valve kit provides precise refrigerant metering for optimal cooling performance in both cooling-only and heat pump applications.

Key Features:

• Non-bleed type TXV design for reliable operation
• Screw-on connections for easy installation
• Compatible with 1.5 to 2 ton systems (18,000 to 24,000 BTU)
• Approved for both cooling-only and heat pump applications
• Field-installed expansion valve kit
• R-22 refrigerant compatible

This expansion valve kit is specifically engineered for Firstco 18HBQB and 24HBQB hydronic air handlers. The non-bleed design ensures efficient operation while the screw-on connections simplify installation. Note that expansion valve requirements depend on the selected outdoor condensing unit, and a hard start kit may be required in some applications.