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1 — INSTALL BRASS TEE FITTING

1

  Turn off the cold water supply to the sink.

2

  Turn on the kitchen faucet to release pressure and allow water to drain from the line.

3

  Disconnect the cold water line from the 1/2" threaded stem on the bottom of the kitchen 

faucet. Attach threaded ends of supplied brass tee to the cold water supply line and shut-off 
valve; tighten using an adjustable wrench.

4

  Attach 1/4" white tube to the brass tee: 

  A. Slide the compression nut onto the white tubing. 
  B. Slide the plastic sleeve onto the white tube. 
  C. Place brass insert into the opening of white tube. 
  D. Push the tip of the white tubing into the opening of the brass tee. 
  E. Slide the compression nut onto the threads of the brass tee.
  F.  While holding the white tube in place, tighten the compression nut to compress the plastic 

sleeve and create a seal. 

NOTE: 

Use a wrench to ensure complete seal. Avoid over tightening.

5

   Do not connect the other end at this time. 

1

   On the nipple on top of the tank, apply plumber’s 

tape 4 or 5 times clockwise around in the same 
direction as the threads.

2

   Hand tighten the tank connector onto the tank 

nipple until secure. 

NOTE: 

Do not cross thread or 

over tighten.

3

  Using mount stand, place tank near the system 

manifold. Measure 3/8" white tubing to the outlet 
side of the system manifold and ensure you 
have enough tubing to connect tank and system 
manifold as well as enough left to attach faucet 
stem and manifold. Cut 3/8" white tubing.

Stage 2

RO Membrane

AQ-RO3-RO

OptimH2O™

OptimH2O™

A

B

C

D

E

F

OptimH2O™

OptimH2O™

OptimH2O™

OptimH2O™

OptimH2O™

OptimH2O™

OptimH2O™

A

B

C

2

1

2 — INSTALL SYSTEM MANIFOLD

  Select an easily accessible area under the sink to mount system 

manifold. You want to allow at least a 4 to 6 inch clearance 
below the filters to the floor to allow ample space for filter 
changes. To help gauge the right location for your system 
manifold, insert first and third stage filter sumps into manifold. 
Insert sumps by aligning top connection points and push up and 
to the right until sumps are locked in. 

2

  Mark wall placement for mounting screws using 

built-in bracket on back of manifold. Make sure holes 
are as level as possible. 

 Drill two pilot holes for mounting brackets using 1/8" 
drill bit for the system manifold.  

NOTE: 

Use caution 

not to drill into anything beyond the cabinet wall.

4

  Insert mounting screws into the wall leaving 

approximately 3/8" of each screw exposed.

5

   Remove first and third filter sumps from manifold by turning each sump to the left and 

pulling down before hanging manifold on wall. Mount manifold on wall and screw in. Be 
careful not to over tighten.

4

  Install the 3/8" white tubing to the tank:

 

A.  

Push the tubing through the nut, collar and sleeve into the connector.

  B.  

Unscrew the compression nut from the tank connector to ensure that the tubing is 
connected all the way through the collar and sleeve.

  C.  

Slide the nut to the threads and tighten with a wrench. Avoid over tightening.

3 — INSTALL WATER STORAGE TANK

Summary of Contents for OptimH2O AQ-RO-BASE

Page 1: ...imH2O Drinking Water System Reverse Osmosis Filtration Technology Welcome to the Aquasana experience You are about to enjoy clean clear water and the peace of mind that comes from knowing award winnin...

Page 2: ...ion of the faucet hole to ensure there will be enough 3 8 tubing available for both connections Wait to cut tubing and follow instructions below 4 Remove system and tank from under your sink to begin...

Page 3: ...nough left to attach faucet stem and manifold Cut 3 8 white tubing Stage 2 RO Membrane AQ RO3 RO OptimH2O OptimH2O A B C D E F OptimH2O OptimH2O OptimH2O OptimH2O OptimH2O OptimH2O OptimH2O A B C 2 1...

Page 4: ...h the faucet base and through hole in sink until approximately 12 of tubing remains above sink 4 Turn clockwise and holding faucet base firmly mount faucet body to faucet base Adjust faucet body handl...

Page 5: ...the end of the red tubing 2 Attach red tubing to the 90 elbow until it stops 3 Attach 90 elbow to the membrane drain port V Faucet to Drain Connector 3 8 red tubing from faucet 1 Take the 3 8 red tubi...

Page 6: ...ut squarely and fully inserted Also confirm there are no scratches dents or notches at tubing end If there are squarely cut 1 off and re insert Note When RO Filter System is first pressurized water ma...

Page 7: ...er has no color taste or odor It must be measured by a laboratory test Public water utilities must have their water tested for arsenic You can get the results from your water utility If you have your...

Page 8: ...and supply water hardness Higher pH shortens membrane life by causing pin hole leaks and would shorten membrane life When output and water quality and production rate decrease it is time to replace th...

Page 9: ...Aquasana Inc 6310 Midway Road Haltom City Texas 76117 866 662 6885 USA 877 332 7873 Canada www aquasana com AQROBASE_install_20170413 For exclusive deals facebook com aquasana twitter com aquasana...

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