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WARNING

!

Please read carefully before proceeding with  
installation. Your failure to follow any attached  
instructions or operating parameters may lead to the 
product’s failure.  
Keep this Manual for future reference.

WARNING

!

Do not use with water that is microbiologically unsafe or of 
unknown quality without adequate disinfection before or 
after the system.

If you are unsure about installing your WATTS

®

 water filter, contact

a WATTS representative or consult a professional plumber.

Test the water periodically to verify that the system is performing 
satisfactorily. Discard small parts remaining after the installation.

Failure to install the system correctly voids the warranty.
Handle all components of the system with care. Do not drop,
drag or turn components upside down.
Be sure the floor under the water filter system is clean, level 
and strong enough to support the unit.

IMPORTANT

CAUTION

!

NOTICE

Installation, Operation  
and Maintenance Manual

Quick-Twist Reverse Osmosis System
Model WQT4RO11-50

IOM-WQT4RO11-50 WP299327 

Summary of Contents for WQT4RO11-50

Page 1: ...ter contact a WATTS representative or consult a professional plumber Test the water periodically to verify that the system is performing satisfactorily Discard small parts remaining after the installa...

Page 2: ...on block filter This helps ensure that chlorine and other materials that cause bad taste and odor are greatly reduced Stage 3 Membrane recommended change 2 5 years Stage three is the heart of the reve...

Page 3: ...nnection RO Water 9 Black Tube Connection Inlet 10 Tank Valve Installation Metal Tank 10 Tank Valve Installation Plastic Tank 10 Yellow Tube Connection RO Module to Storage Tank 11 Reverse Osmosis Mod...

Page 4: ...2 pH Parameters Maximum 11 Minimum 2 Iron Maximum 0 2 ppm TDS Total Dissolved Solids 1800 ppm Turbidity 5 NTU Hardness Maximum 10 Grains Per Gallon Hardness Recommended hardness not to exceed 10 grain...

Page 5: ...SOLD SEPARATELY 1 4 DRAIN SADDLE BRINE 11 1 2 3 4 7 7 6 5 12 10 9 Parts Diagram ITEM QTY PART DESCRIPTION 1 1 WQTSC 10 SEDIMENT FILTER 2 1 WQTCBC 10 PRE CARBON FILTER 3 1 WQTM50 10 MEMBRANE FILTER 50...

Page 6: ...hen drilling Watts accepts no responsibility for damage resulting from the installation of faucet Diamond tip bit recommended Marble Counter top We recommend contacting a qualified contractor for dril...

Page 7: ...ly Verify contents prior to installation 1 Plastic Adapt a Valve with black collet 1 Brass Adapter no washer 1 Brass Adapter with black washer 1 White rubber washer Make sure that the black collet is...

Page 8: ...en drill a 3 8 opening in the drain for 3 8 drain saddles OR 1 4 opening in the drain for 1 4 drain saddles Step 9 Peel and stick the foam gasket onto the drain saddle Step 10 Attach the drain saddle...

Page 9: ...en end of the 3 8 black tube into the 3 8 drain saddle Make sure it is pushed in all the way to the tube stop B 3 8 Tube Fitting Drain Saddle Locate the red 1 4 drain tube attached to the RO faucet Co...

Page 10: ...tube is pushed in all the way to the tube stop Thread the plastic valve onto the tank fitting Do not over tighten or the valve could crack Step 17 Step 18 Teflon tape must be applied in a clockwise di...

Page 11: ...cartridge Install the Cartridges Step 25 Insert each cartridge with a 1 4 turn in the clock wise direction The cartridge is installed properly when the label is facing toward the front of the unit Con...

Page 12: ...es The fourth tank can be used for drinking Open the RO faucet and leave it open until water begins to trickle out this may take a few minutes and the water will come out slowly Step 4 Turn on the inc...

Page 13: ...water should be tested periodically to verify that the system is performing satisfactorily Normally a membrane would be replaced during a semiannual or annual filter change However if at any time you...

Page 14: ...the tank is purged check air pressure using an air pressure gauge it should read between 5 7 PSI Digital air pressure gauge is recommended Check Air Pressure in the Tank Important Step 3 Check air pr...

Page 15: ...t a Valve Check frequently over the next 24 hours to ensure no leaks are present Step 5 Step 4 Note Step 2 Close the RO faucet allowing the storage tank to fill with water It may take 3 to 6 hours to...

Page 16: ...torage tank of water Set tank air pressure between 5 7 psi See previous page Low Pressure in Tank Use a Digital Air Gauge for best results The empty tank pressure should be 5 7 psi See page 14 4 Noise...

Page 17: ...Y INFORMATION Service Record Date of Purchase __________ Date of Install ___________ Installed by __________________ Serial No _____________________ Date 1st stage Sediment 6 months 2nd stage Carbon 6...

Page 18: ...n 11 5 The incoming water pressure must be between 40 and 100 pounds per square inch 6 Incoming water to the RO cannot exceed 105 degrees F 40 degrees C 7 Incoming TDS Total Dissolved Solids not to ex...

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