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8
-- STEP 5: INSTALL STORAGE TANK,
MAKE REMAINING TUBING CONNECTIONS --
1. CONNECT DRAIN TUBING, FAUCET TO
DRAIN ADAPTER:Referring to FIG. 8, run the loose
section (connected to faucet barb fitting) of black
3/8” tubingfromthefaucettothedrainadapter,with
a black collet, installed on page 6. Cut this tubing as
needed to route in as straight of a run as possible,
without loops, dips,low spots or kinks. Cut the end
of the tubing square. Then, push all the way into the
fitting. Pull on the tubing to be sure it’s held firmly
in the adapter fitting. See pages 12 and 13 for tubing
connection instructions.
2. CONNECT TUBING TO WATERSUPPLY: Usethe
tubinginsert, ferrule and nut to fastenthe 1/4” green
tubing to the saddle valve fitting installed on page 5.
Tighten the nut with a wrench.
3. Move the storage tank into place next to the RO as-
sembly. You can stand the tank upright, or lay it on
side. Apply no more than 2 wraps of Teflon tape to
the threads on the nipple at the top of the tank. Hand
tighten, then wrench 1/4 turn only, the other in-
cluded tubing adapter fitting with the yellow collet
onto the tank nipple. BE CAREFUL NOT TO CROSS
THREAD.
4. Run the 3/8” yellow tubing to the fitting installed
in step 3. Be sure the end of the tubing is cut square,
and insert all the way into the fitting. Again, pull on
the tubing to be sure it’s held firmly in the fitting.
water supply
valve
drain adapter
sink p---trap
RO product
water faucet
COLDHOT
3/8” black tubing, to
larger barb on faucet
TYPICAL UNDERSINK INSTALLATION
OPEN
CLOSE
insert
ferrule
nut
FIG. 8
yellow collet
tubing adaptor
Note: See note on page 4
regarding tubing lengths.
See note on
codes in the state
of Massachusetts,
page 5.