Carrier EF680033 Valve

The Carrier EF680033 is a high-performance 3/8" liquid line solenoid valve designed for precise refrigerant metering and positive shut-off in commercial and residential HVACR systems. Engineered to meet OEM specifications, this valve features a rugged brass body compatible with high-pressure refrigerants, boasting a maximum working pressure rating of up to 680 PSIG. Its 3/8-inch orifice provides a high flow capacity, minimizing pressure drop while ensuring optimal system efficiency. This component is typically paired with a 24 VAC solenoid coil for rapid actuation, allowing for immediate response to thermostat or controller signals to prevent refrigerant migration during the off-cycle.

When performing a solenoid valve replacement, the EF680033 delivers the reliability required for rigorous duty cycles. Its construction supports a broad operating temperature range, making it suitable for both air conditioning and refrigeration applications. The direct-acting or pilot-operated design ensures the valve seats firmly, protecting the compressor from liquid slugging. For contractors, the standard 3/8" ODF/SAE connections facilitate a straightforward installation into the liquid line, ensuring a leak-resistant seal when installed with proper brazing techniques or flare fittings.

• Precise Flow Control: Ensures accurate refrigerant management to maintain stable evaporator pressures.
• Durable Brass Construction: High-grade materials resist corrosion and withstand demanding thermal cycling.
• OEM Compatibility: Specifically designed for Carrier, Bryant, and Payne equipment to ensure exact fit and function.
• High Pressure Rating: Rated for up to 680 PSIG, making it compatible with modern high-pressure refrigerants.
• Reduced System Wear: Prevents refrigerant backflow, protecting the compressor and extending overall system life.

• What are the symptoms of a failing liquid line solenoid valve? Technicians often look for system short cycling, unusual chattering noises (indicating improper seating), or inconsistent temperature regulation across the evaporator coil.
• Can this valve be installed in any orientation? For peak performance and to prevent debris accumulation on the seat, it is best practice to install the valve in a horizontal line with the solenoid coil in the upright position.
• What power supply is required for the EF680033? This valve body is designed to work with standard 24 VAC solenoid coils commonly found in residential and light commercial control circuits.

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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.