WARNING:
Faucet will leak
if restrictor is
not installed
6 — CONNECT TUBING
I: Brass Tee to Manifold “INLET”
(1/4" white tubing)
1
Take the white tubing leading from the brass tee and insert it into the manifold port
labeled “INLET”. Remember to push it all the way in until it stops.
II: Manifold to Faucet
(3/8" white tubing already attached to faucet)
1
Insert the 3/8" white tubing (that was installed in step 4) from the faucet into the manifold
port labeled “FAUCET”.
III: Manifold to Tank
(3/8" white tubing already attached to tank)
1
Take the white tubing leading from the storage tank and insert it into the manifold port
labeled “TANK”. Remember to push it all the way in until it stops.
IV: Air Gap to RO Membrane
(1/4" red tubing from faucet)
1
Insert restrictor into the end of the red tubing.
2
Attach 1/4" red tubing to the 90° elbow until it stops.
3
Attach 1/4" 90° elbow to the membrane drain port.
V: Faucet to Drain Connector
(3/8" red tubing from faucet)
1
Take the 3/8" red tubing from faucet and insert it all
the way into the drain connector.
COLD
Hose Connections:
¼" White Brass Tee to Manifold
3⁄8" White Manifold to Faucet
3⁄8" White Manifold to Tank
HOT
I
I
II
III
¼" Red
Membrane to Faucet
3⁄8" Red
Faucet to Drain Connector
IV
V
IV
II
III
V
OptimH2O™
Stage 2
RO Membrane
AQ-RO3-RO
OptimH2O™
1
2
3
0.95”
Tube Marking Guide:
(actual size)
Tubing Dont’s
DO NOT cut tubing too short. Always double check
measurements before cutting.
DO NOT bend or crimp or kink tubing.
DO NOT discard excess tubing.
Tubing Do’s
Insert tubing ALL THE WAY IN to prevent
leaking. In most cases, up to nearly a full inch.
Wet end of tubing to more easily insert into all
inlets and outlets.
Cut excess tubing in order to prevent crimping,
kinks, loops or folds.
