123Filter iSpring Reverse Osmosis Water Filtration Installation Instructions & Owner's Manual page 8

A. ​ S ource water from Feed Water Adapter → ​ B . ​ S ource water to 1st stage water inlet
C. ​ W aste water from Flow Restrictor → ​ D . ​ W aste water to Drain Saddle/drain pipe
E. ​ R O water from stage 5 "T" fitting → ​ F . ​ R O water to Storage Tank
F. ​ W hen the drinking faucet is opened, RO water from the tank passes through E and G → ​ H . ​ R O
water to the drinking faucet
An Ice Maker Kit (Part# iSpring ​ I CEK​ ) can be purchased separately to feed RO water to your
refrigerator output and ice maker to get crystal clear ice cubes and great tasting water at ease. Hooking
up the RO system directly to your refrigerator output can replace the need for the RO faucet.
Page 7 ​
Sample Installation
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Figure 5
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