York Brass Refrigerant Liquid Line Charging Valves, 3/8″ OD Tube x Flare Access
New Mueller (Manufactured for York) Brass Refrigerant Liquid Line Charging Valves, Access Valves, 3/8″ OD Tube Solder x 3/8″ SAE Flare, York Part Number 022 09754 100, Mueller Part Number B 34255 or B34255.