| 1. Close main valve by fully turning setting knob (1) on top of the valve counter-clockwise until dial face is on zero exactly in front of the body arrow (2) and clicks.|
2. Open fully the upstream gate valve but open gate the downstream gate valve only slightly (if applicable). Main valve should remain closed.
3. Slowly turn setting knob (1) on top of the valve.
Turn it counter-clockwise to the desired volume on the dial face aligning the desired volume with arrow (2)
on the valve body.
4. Open the downstream gate valve fully (if applicable) and valve should open completely for normal