Carrier EF23BS121 Solenoid Valve

The Carrier EF23BS121 Solenoid Valve is a critical component for precise refrigerant flow control in high-performance HVAC systems. Engineered as a 3/8 inch SAE flare connection valve, this unit operates on a 24V solenoid coil, making it compatible with standard residential and commercial control circuits. As a veteran-grade OEM liquid line solenoid, it is designed for durability in HVAC refrigeration systems, ensuring rapid response times and reliable shut-off to prevent migration during the off-cycle. This Carrier replacement valve (often manufactured by Alco Controls) is built to rigorous specifications, providing the pressure ratings and orifice sizing required for optimal suction or liquid line application. Whether you are performing a service call or a new installation, this 24V AC solenoid valve provides the fit and function necessary to maintain system efficiency and protect the compressor from liquid slugging. Its robust construction resists vibration and high thermal loads common in demanding field environments.

• Precise Flow Control: Ensures tight shut-off and regulates refrigerant flow to maintain evaporator efficiency.
• Direct OEM Compatibility: Designed specifically for Carrier and Bryant equipment platforms, ensuring a drop-in 3/8" SAE flare fit.
• Industrial Build Quality: High-grade internal components engineered by Alco Controls for extended cycle life.
• Simplified Service: Standard 24V electrical requirements allow for easy integration with existing thermostats and control boards.

• Does this valve include the solenoid coil? Yes, the EF23BS121 typically comes as a complete assembly with the 24V coil included for immediate installation.
• Can this be used for both liquid and suction lines? This model is primarily specified as a liquid line solenoid valve, but always verify your specific system's tonnage and pressure drop requirements.
• What type of refrigerant is it compatible with? It is designed for use with common HFCs and HCFCs found in HVACR equipment, providing versatile application across various units.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.