GE PNRV18ZWW01 Owner's Manual page 9

How the Reverse Osmosis system Works
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Further description of this illustration
in the Care and Cleaning section.
Reverse Osmosis Cartridge—
5
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The cartridge, inside the Reverse
Osmosis housing, includes a tightly
wound, special membrane. Water is
forced through the cartridge where the
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membrane removes the dissolved solids
and organic matter. High quality
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product water exits the Reverse Osmosis
housing and goes to the storage area.
Reject water, with the dissolved solids
and organic matter, leaves the housing
and is discharged to the drain through
1⁄4" tubing.
Postfilter—
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area, but before going to the faucet,
product water goes to the postfilter.
The postfilter is also the activated
carbon type sediment filter. Any
remaining tastes, odors, or sediments
are removed from product water.
Clean, high quality drinking water flows
through the tubing and to the faucet.
See the Care and Cleaning section for
location.
Flow Control—
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regulates flow through the Reverse
Osmosis cartridge to the required rate
to get the desired quality of product
water. The control is located in the
drain tubing, at the Reverse Osmosis
cap fitting. A small, cone-shaped screen
fits over the front end of the flow control
to help prevent plugging with drain
water sediments.
After leaving the storage
The flow control
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