TB620 Changing Valve (Blue color) for R22

• Connection Diameter  : 1/4″ male flare x 1/4 female flare
• Prevents gases from blowing at blth ends of charging hose and the unit when the charging hose is disconnect
• Short size which enables the valve to squeeze in anywhere

TB640 Charging Valve (Pink color) for R32/R410a

• Connection Diameter  : 5/16″ male flare x 5/16″ female flare
• Prevents gases from blowing at blth ends of charging hose and the unit when the charging hose is disconnect
• Short size which enables the valve to squeeze in anywhere