Parker Hannifin 278401-141 QL171R-14-14 7/8" ODF Refrigeration Service Valve

The Parker Hannifin 278401-141 is a professional-grade front seating refrigeration service valve designed for HVAC and refrigeration system applications. This valve features 7/8 inch ODF (outside diameter flare) copper sweat connections on both ends, providing secure, leak-resistant connections in refrigeration lines.

Key Features:

• All brass body and stem construction for durability and corrosion resistance
• Front seating design allows for service without system shutdown
• Bi-directional flow capability for flexible installation
• 1 inch outside diameter for proper line sizing
• Includes 1/4 inch SAE access valve on right-facing field connection for charging and gauging
• Operating temperature range: -40°F to +250°F
• Maximum working pressure: 750 PSI (vacuum to 750 PSI)
• Compatible with CFC, HCFC, and HFC refrigerants including R-22, R-410A, and others

This service valve is ideal for use with air conditioning condensing units, heat pumps, and commercial refrigeration systems. The front seating design allows technicians to isolate components for maintenance while the built-in access port facilitates system diagnostics and refrigerant charging. Made in the USA and UL listed, this valve meets rigorous quality standards for professional HVAC applications.