6 49-6000289 Rev. 0
Using the Reverse Osmosis System
How the Reverse Osmosis System Works
Reverse Osmosis reduces Total Dissolved Solids (TDS) and organic matter from water by diffusing it through a
special membrane (see Performance Data Sheet). The membrane separates minerals and impurities from the water
and they are flushed to the drain. For the reduction of the claims specified, see Performance Data Sheet. High
quality product water goes directly to the drinking water faucet. The system makes a good supply of drinking water
each day. How much it makes depends on the feed water supply pressure, temperature and quality.
The prefilter and postfilter are replaceable cartridges. The carbon prefilter reduces chlorine while also filtering
sediments. The postfilter reduces any other undesirable tastes and odors before you use the water.
The system includes an electronic display with a prefilter, postfilter and membrane change reminder. When six
months have passed for the pre and post filter, a flashing light will remind you to change the filters. Similarly, when
12 months have passed, a flashing light will remind you to change the filter.
Description of the Reverse Osmosis System
Prefilter - Water from the cold supply pipe is directed
to the prefilter cartridge. The prefilter is a replaceable
sediment cartridge containing activated carbon. The
prefilter reduces chlorine taste and odor in the feed
water because CHLORINE DESTROYS THE REVERSE
OSMOSIS MEMBRANE. Filtered, clean, chlorine-
reduced water flows from the prefilter to the Reverse
Osmosis cartridge.
Reverse Osmosis Cartridge - The left upper corner
cartridge includes a tightly wound, special membrane.
Water is forced through the cartridge where the
membrane reduces the dissolved solids and organic
matter. High quality product water exits the Reverse
Osmosis cartridge and goes to the storage tank. Reject
water, with the dissolved solids and organic matter,
leaves the cartridge and is discharged to the drain
through 1/4” tubing.
Postfilter - After leaving the membrane, but before going
to the system faucet, product water goes to the post
filter cartridge. The postfilter is an enhanced replaceable
sediment cartridge containing activated carbon designed
to reduce select pharmaceuticals, select herbicides/
pesticides, VOCs, BPA and PFOA/ PFOS as well as
remaining tastes, odors, and sediments. Clean, high
quality drinking water flows through the tubing and to the
system faucet.
RO Product Water Faucet - The countertop faucet
dispenses filtered drinking water when opened. It has a
variable flow handle. To comply with plumbing codes, an
air gap is built into the faucet drain water connection.
USING THE REVERSE OSMOSIS SYSTEM: How the System Works
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