VENT VESSELS VALVE. The vent vessel valve is located behind the control panel. Closing vent
vessels valve allows approximately 200-300 psi of filtered water pressure to build in R.O. vessels.
Figure 2-4. Vent Vessels Valve
VENT PRODUCT WATER VALVE. The vent product water valve is located to the right of the top R.O.
vessel. It allows air to escape from product water line. It is located on top of product water manifold.
Figure 2-5. Vent Product Water Valve