Emerson Flow Control Alco 066182 3/8" Sweat Normally Closed Solenoid Valve 4.5 Ton R-410A Without Coil

The Emerson Flow Control (Alco) 066182 is a normally closed (NC) refrigerant solenoid valve engineered for use with R-410A refrigerant in systems up to 4.5 tons of capacity. Featuring 3/8" sweat (solder) connections, this valve integrates seamlessly into copper refrigerant line sets commonly found in residential and light commercial HVAC and refrigeration systems.

This valve is sold without a coil, making it an ideal replacement body for installations where an existing coil is already in service, or where a specific coil voltage must be sourced separately. Alco solenoid valves are recognized throughout the industry for their reliable sealing, low pressure drop, and long service life in demanding refrigeration and air conditioning applications.

Key Features:

• Refrigerant: Rated for R-410A (compatible with high-pressure refrigerant systems)
• Capacity: Up to 4.5 tons
• Connection Type: 3/8" sweat (solder) inlet and outlet
• Operation: Normally Closed (NC) — valve closes when de-energized, opens when energized
• Coil: Sold without coil (coil must be purchased separately)
• Brand: Emerson Flow Control / Alco Controls — a trusted name in HVACR components
• Suitable for residential and light commercial refrigeration and air conditioning applications

The Alco 066182 solenoid valve body is a direct replacement or upgrade solution for technicians servicing R-410A systems. Always verify coil voltage requirements before selecting a compatible Alco coil for this valve body.