Installation and Service Manual – Under-the-Counter Point of Use 5 Stage Reverse Osmosis System
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Page 11
Step 5 – Installing the RO Storage Tank
For this step you will need:
Storage
Tank
Tank
Valve
Tubing
Notice:
Do not tamper with the air valve on the low side of the storage tank. It has been
factory charged to 8psi and covered with a black cap.
Install the Tank Valve & Tubing
Remove the blue cap on top of the tank to expose the
threaded in/out connection. Connect the tank ball valve
by threading onto the fitting. Do not over-tighten.
Notice:
Do not add Teflon tape to the tank
fitting. This will prevent seals from
engaging and may cause leaking.
Insert the tubing into the quick connect fitting on the ball
valve.
Connect the other end of the tubing to the inlet tee of
the post-carbon filter on the RO system.
Additional Point of Use Connection (Optional)
Notice:
Ensure that all tubing and fittings used for RO product water are poly material, and
not copper. Due to RO product water being very pure, it can leach the minerals from
copper tubing which will cause a metallic taste in the water or ice and cause the
copper tubing to develop pinhole leaks over time.
An additional connection may be made to other equipment such as an icemaker, refrigerator, coffeemaker, or
other equipment. This requires an additional tee fitting and extra tubing. It is also strongly recommended to
install an in-line ball valve between the RO system and the equipment, to be closed during startup and
maintenance.
Suggested Parts
¼” Union Tee
¼” Tubing (10 Feet)
¼” In-Line Ball Valve
Part Number: PI0208S
Part Number: TUBE-10FT-14-WH
Part Number: PPSV040808W
Installation
Cut tubing between the faucet and the outlet of the post-filter. Insert the line into both branches of the tee.
Run line from the stem of the tee to the equipment and connect according to manufacturer’s instructions.
Install the ball valve in an accessible location on the line by cutting the line and inserting the tubing into
both sides of the ball valve.