Review on 🔧 Convenient 2 Pack BPV31 Bullet Piercing Tap Valve Kits - Compatible with 1/4, 5/16, 3/8 Inch Pipes & R134A Charging Hose with Gauge - Easy Connect to R12/ R22 Port Only by Marquel Henry

A very easy way to charge your fridge. Clean the suction line with a Brillo gasket, attach the fitting to the line with the needle valve turned counterclockwise, connect the hose, the pressure gauge, the R134 bottle, deflate the hose, close the needle valve to puncture the line, fully open the needle valve, the pressure gauge shows the suction pressure. / Vacuum, slowly add a small amount of Freon, then check the pressure. My GE requires 2 1/2 pounds of pressure on the gauge. Don't overload. more is not better! When the filling is correct, close the needle valve, remove the hose and put the cap on the fitting.