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7.1 See figure Sample Installation and figures of system top view, and note connection points
A-B, C-D, E-F, and G-H.
7.2 Facing the front of the system, 1st stage is the see-through housing located on the right hand
side. Connect the RED tubing Feed Water Adapter (AFW43) (point A) to the stage 1 elbow
fitting (point B).
7.3 Connect the Auto-Flush Solenoid Valve (point C, with a black sticker indicating Waste
Water Output) to the Drain Saddle (point D) with the BLACK tubing.
7.4 On the right side of the Post Carbon Filter (FT15, 5
th
stage), connect the T-fitting (point E)
and the Tank Valve (point F) with the YELLOW tubing.
7.5 At the left end of the stage 5 FT15 filter, insert the BLUE tubing (links to RO faucet) into
the elbow fitting.
* Models with UV/AK/DI: RO water flows out of point G at FT15 and flows into the input
(left) side of the next stage. So the BLUE tubing should be connected to the output side of
the final stage.
7.6 Connect the other end of the BLUE tubing to the RO faucet (refer to How to Use the
Compression Fitting).
7.7 You may neatly organize the tubings, but make sure to leave enough length so the filter
system can be moved freely in and out of the cabinet when replacing
filters.
7.8 You can mount the system using two 10 x 1-1/4 Phillips Flat Wood
Screws. This will make replacing filter cartridges easier. Note: If you plan on
mounting/hanging the system, it is highly recommended to include supports under each of
the bottom three housings. Supports under the housings will take the water weight off the
housing threads, and ensure the thread strength does not decay over the years.
Step 8: System Start Up (model specific sub-steps are marked with a *)
Note: You may now plug in the booster pump to an outlet. The pump will not turn on until
water is flowing.
* If your model has a UV stage, do not plug in the UV power until the system has been fully
flushed.
www.123filter.com | (678) 261-7611 | support@123filter.com Page 12
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