2-2. ROWPU CONTROLS AND INDICATORS - cont.
e. Vent Vessels Gate Valve. Refer to figure 2-6. The vent vessel gate valve is located to the left and behind the
control panel. Closing the vent vessels valve forces water to R.O. vessels. Turning handwheel fully clockwise
closes the valve, turning fully counterclockwise opens the valve. Vent vessel valve diverts water from R.O.
elements until polymer is adjusted and multimedia filter bed settles.
Figure 2-6. Vent Vessels Gate Valve.