Reverse Osmosis (RO) System – Where is it installed? What type of maintenance is required?
Reverse Osmosis (RO) is normally installed under a kitchen sink as shown on the figure below. Source: North Dakota State University A Typical Home RO System Includes: (1) particle filter, (2) reverse osmosis membrane unit, (3) pressurized treated-water storage container, (4) carbon absorption post-filter, and (5) separate treated-water tap.