Turn the Flow Control Knob clockwise to decrease the water flow allowed to pass through the valve when opened. To increase the water flow allowed to pass through, turn the Flow Control Knob counterclockwise.
Depending on your specific application and location this may vary. Typically, when using the LevelSmart on a smaller body of water suchas a spa, turn the Flow Control Knob clockwise to decrease the water flow and eliminating overfills. When using the LevelSmart on larger bodies of water you can typically turn the Flow Control Knob clockwise to increase the water flow.
Remember the Solenoid Knob on the valve should always be in the off position to allow the LevelSmart to control the fills. The only time it should be in the on position is if you needing to do a fill manually.