Step 1: Using a flat head screwdriver, unscrew the top of the pressure regulator.



regulator2

Step 2: With your hand, unscrew the white plastic stem attached to the top of the pressure regulator.



Step 3: Flip the white stem around and screw the thin part of stem back into the top of the pressure regulator.

Please note: Molded on one side of plastic stem is NAT with arrow pointing at one end, the other side has LP with arrow pointing at opposite end to help you know which side to screw into top.



Step 4: Place top back on the pressure regulator and tighten using the flat head screwdriver.