Parker Hannifin 278397-081 1/2" ODF Refrigerant Service Valve with Right Hand Access Fitting

The Parker Hannifin 278397-081 QL171R-08-08 is a professional-grade refrigerant service valve designed for HVAC and refrigeration applications. This front seating valve features 1/2 inch ODF (sweat) connections and an all brass body and stem construction for exceptional durability and corrosion resistance.

Key Features:

• Working pressure up to 680 PSI for reliable performance in demanding systems
• Operating temperature range from -40°F to +250°F
• Includes 1/4 inch SAE access valve on right facing field connection for easy service access
• Compatible with R410A refrigerant and other CFC, HCFC, and HFC refrigerants
• Bi-directional flow design for installation flexibility
• 5/8 inch outside diameter

This service valve is ideal for installation on air conditioning condensing units, heat pumps, and refrigeration systems. The front seating design allows for service work without completely isolating the system, while the copper sweat connections provide leak-proof installations. The integrated access port simplifies pressure testing and refrigerant charging operations.