Aquathin | AquaKING RO | Owner`s manual | Aquathin AquaKING RO Owner`s manual

Aquathin AquaKING RO Owner`s manual
Getting Started With Your
Water Purification System
(In full color at
Includes installation and maintenance information
AN ISO 9001:2008 QMS
(IMS 0192 & NQA-12635)
© 2009 Aquathin Corporation. All rights reserved.
Under the copyright laws, this manual may not be copied,
in whole or in part, without the written consent of
Aquathin Corporation.
Every effort has been made to ensure that the information
in this manual is accurate. Aquathin Corporation is not
responsible for printing or clerical errors.
Aquathin Corporation
Aquathin Business Centre
950 South Andrews Avenue
Pompano Beach, Florida 33069
1-800-GO.2.RODI (462-7634) or 1-954-781-7777
Fax: 1-954-781-7336
Aquathin Corporation, the Aquathin Corporation logo,
AquaKING are trademarks of Aquathin Corporation.
Product specifications are subject to change without
Your Authorized Aquathin Dealer Is:
Dealer Name ___________________________________
Contact _______________________________________
Address _______________________________________
Phone _______________________________________
Email _______________________________________
© 2009 Aquathin Corporation. All rights reserved.
Thank You
for your purchase. Aquathin
turned "30 in 2010 to enjoy its Pearl Anniversary
and its a great feeling of self satisfaction and accomplishment to be an Authorized Aquathin
Dealer. You could not have picked a better time to
consider the many benefits of becoming a member
of the ever growing Aquathin Family. The Next
Quarter Century Celebration Begins !
Aquathin manufactures a broad spectrum of unique
and patented water purification, softening and
filtration systems servicing the residential,
commercial and laboratory markets. Established in
1980 Aquathin now produces over 70 patented and
trademarked devices for markets around the world
through more than 600 Authorized Aquathin
Aquathin is an E.P.A. Registered
manufacturer, ISO 9001:2008 Certified and recipient
of the prestigious President's Excellence Award in
Export from the U.S. Commerce Department and
the Nation's Blue Chip Enterprise Initiative Award
from the U.S. Chamber of Commerce. And we
have a very impressive global client list that now
includes you and your family. Recently we have
launched a project two years in the making, for
Authorized Aquathin Dealers to provide total home
air and
water security...and more. Visit the
Aquathin Allergy Store online at .
© 2009 Aquathin Corporation. All rights reserved.
Aquathin does not sell franchises nor do we charge
for territories. We want to make sure that our
Dealers are service oriented and knowledge
driven. We know that even though we make the
best water treatment systems in the world,
ultimately they are only as good as the people
representing them...and that is why we make the
very best water treatment Dealers in world
Your local Authorized Aquathin Dealer
has received their training and continuous education
from Aquathin University. You can be assured that
when you purchase from an Authorized Aquathin
Dealer (or factory direct in areas where we have yet
to approve and establish a Dealer) you are
receiving the finest equipment and technical support
this industry is able to offer. Highest quality water
treatment systems and support good enough for my family.
And that is my promise to you ! I love my Aquathin!!
30 Years Pure Excellence
...and another Quarter Century re-inventing the water industry!
Think Aquathin...AquathinK !!
( visit the NEW )
Alfred J. Lipshultz, President
P.S. Remember...the next best thing to owning an
Aquathin is recommending one to a friend !
© 2009 Aquathin Corporation. All rights reserved.
Getting Started
Setting Up Your AquaKING System
Unpack the System
Required Tools
Planning the Installation
Installing the Chrome Faucet Assembly
Installing the Feed Water Saddle Valve
Installing the Drain Saddle Valve
Preparing to Mount the Main Assembly
Mounting the De-Ionization Module
Making the Tubing Connections
Connect Cold Water Supply Line
Connect Drain Line
Connect DI Module to Main Assembly
Mount the Main Assembly
Prepare Storage Tank
Connect DI Module to Storage Tank
Connect GAC Post Filter
Starting Your System
Getting to Know Your AquaKing System 23
A Look At The Key Components
Aquathin Sediment Filter
Granular Activated Carbon
Aquathin Reverse Osmosis Membrane
Aquathin Deionization Module
Operating Parameters
Chlorine and Chloramines
Hardness and More
© 2009 Aquathin Corporation. All rights reserved.
Filter Replacement
Replacing the Sediment Pre-filter
Replacing the Aquathin GAC Pre-filters
Replacing the Aquathin DI Module
Returning the System to Service
Frequently Asked Questions
Limited Warranty
What The Warranty Covers
Exceptions To Lifetime Warranty
What We Will Do To Correct An Inconvenience
How State Law Relates To The Warranty
And Servicing
ppendix A - Specifications
ppendix B - Replacement Schedule 44
Replacement Components and Schedule
Maintenance Log
ppendix C - Connections
Sink Mounted Faucet Assembly
John Guest Speedfit® Fittings
AquaKING Series Installation Diagram
ppendix D - Schematic
© 2009 Aquathin Corporation. All rights reserved.
Thank you for purchasing this quality water purification
system by Aquathin Corporation. Every
AquaKING Series system combines several of most
efficient methods of water treatment to achieve a very
specific result—pure water that meets the specific result
— pure drinking and cooking water free of any and all
dangerous contaminants.
As the new owner of an Aquathin RO/DI water
purification system there is a totally new experience
awaiting you. You and your family will be amazed at the
delightful new taste of your tap water—it’s like owning
your own personal mountain spring.
This manual provides information about the application
and servicing of your Aquathin water purification system.
Descriptions of the components and their functions will
help to answer frequently asked questions. By thoroughly
reading this manual you will be better able to operate
your new system and perform simple maintenance.
Your Aquathin AquaKING system requires no
electricity—the only requirement is adequate water
pressure. This unit is designed to operate within a
pressure range of 40–100 PSI (3.1-6.9 bar). The amount
of purified water produced depends primarily on your
© 2009 Aquathin Corporation. All rights reserved.
water pressure, temperature, and the amount of Total
Dissolved Solids (TDS). Normal production averages up
to 45 gallons (~170 ltr) per day. If you plan to install this
unit on a private well system, you should check your
water pressure gauge. If the low pressure setting is less
than 40 PSI, ask a plumber to adjust and raise the
pressure to the minimum level of 40 PSI. An optional
booster pump (PBA-AK) is available when source
pressure is severally low. Installation to comply with
state and local laws and regulations.
For private well owners we recommend that you choose
the AK40 with PBA-AK Booster pump system which
includes a booster pump and is completely configured at
the factory. This eliminates fluctuations in line or low
pressure associated with private wells and ensures your
AquaKING system operates at peak efficiency.
While 45PSI is enough to produce water with the
exceptional purity required to pass Aquathin standards,
you may find water flow to the faucet is less than
optimal, and that your holding tank will not store much
water. (The amount of water stored is a function of line
Installing Your AquaKING System Requires the
Following Steps:
Install the sink-mounted chrome faucet.
Install the feed water saddle valve to deliver tap
water to your system.
Install the drain saddle valve so contaminants can be
flushed down the drain.
Mount the DI Module and Frame Assembly to the
cabinet sidewall (optional).
Make the tubing connections.
© 2009 Aquathin Corporation. All rights reserved.
1) Unpack the System
Contents include:
Main Filter Assembly
Chrome Faucet
Tank Ball Valve
Deionization module
w/ clamp & fittings
Storage Tank
GAC Post Filter
Feed Water Saddle Valve
Drain Saddle Valve
Owner’s Manual
* Ice Maker Tee (see page 49)
Required Tools:
Hi Speed Drill
#2 Phillips Screw Driver
¼" High Speed Drill Bit
Teflon thread tape
½" High Speed Drill Bit
Razor knife with fresh
sharp blade
¹⁄16" High Speed Drill Bit
Adjustable (Crescent)
For porcelain sinks, a
Dremmel® tool and ¾"
silicon carbide grinding
wheel or a Glass & Tile
carbide spade-tipped bit.
For granite counter-tops,
you will need to have a
professional drill a ½"
© 2009 Aquathin Corporation. All rights reserved.
Planning the Installation
Review the following instructions completely before
proceeding. (See installation diagram on page 48.)
Aquathin AquaKING systems are comprised of several
compact components which fit easily beneath most
kitchen sinks. We encourage you to establish the desired
location of each of the components before proceeding.
Installing the main assembly against the left sidewall is
recommended whenever possible. The storage tank has
built-in feet for upright positioning and it can be placed
on its side when space is limited. (A stand is included.)
Installing the Chrome Faucet Assembly
1)Select a location for the faucet on the sink top.
NOTE: Make sure
reinforcing ribs under
the sink drilling
approved method or
approved plumbing Figure 1, Pure Water Faucet (see detail
practice to drill hole in in Appendix C)
Porcelain sinks: factory approved method is: first grind
away porcelain with a Dremmel® tool and silicon
grinding wheel (about ¾" circle). Then, use a standard ½"
high-speed drill bit to drill hole through metal portion of
sink. (See Figure 2, next page) Alternately, use a “glass
and tile carbide spade tipped bit.”
Acrylic sinks: use ½" high-speed drill bit.
Stainless Steel sinks: use ½" high-speed drill bit or ½"
Greenlee chassis punch.
© 2009 Aquathin Corporation. All rights reserved.
3) Install faucet
Hi Speed Dremmel Tool
according to detailed
diagram in Appendix
Grinding Wheel
C–page 46, insuring
Sink Top
rubber gaskets are
place. Tighten lock nut
beneath sink. Save Sink
compression fitting
parts for connection to Figure 2, Using a Dremmel® Tool to
Remove Porcelain
GAC post-filter.
Installing the Feed Water Saddle Valve
The saddle-type valve supplied is intended for use on ⅜"
to ½" copper tubing cold water supply line. It is not
intended for flex lines.
Install on cold water
line only!
1) Turn off the cold
water valve under the
sink or the main valve
for the house.
2) Slide clamp over the
copper tubing and
tighten screw firmly to
hold the clamp in
Standard ¼"
3) Pierce the copper
Figure 3, Feed Water Saddle Valve
tubing by turning the
needle valve handle clockwise until it is firmly seated.
4) The valve is closed in this position. Turn on the MAIN
supply valve to pressurize cold water line. Immediately
check for any signs of leaks.
5) Set aside compression fittings for later use connecting
yellow feed tubing to system.
© 2009 Aquathin Corporation. All rights reserved.
When ready to supply water to the system, turn valve
handle counter-clockwise until fully open.
In some instances the self-piercing valve provided will
not be compatible with your plumbing. We have
provided a feed valve that will satisfy most scenarios.
Alternate parts using standard ¼" compression fittings
can be found at plumbing supply or home
improvement stores. On rare occasions, it may be
necessary to contact a plumbing contractor to complete
your installation.
Installing the
Drain Saddle
The drain saddle
assembly should
be installed above
the trap and on
the vertical or
tailpiece. (See
Figure 4)
Install here
only if other locations
are not available
Preferred mounting
locations for Drain
Saddle Valve
Figure 4, Drain Saddle mounting locations
Refer to Figure 5
(below right) and
follow steps 1
through 4.
NOTE: When
installing the
Main Assembly,
mount the frame
above the position
of the drain
saddle whenever
possible. (See
Figure 8 the next
1) Mark hole
position, remove
the saddle
2) Drill ¼" hole
through one side.
3) Wrap Teflon tape on
threads of fitting.
4) Make sure to align
drain saddle to drilled
hole. Attach saddle to
drain pipe and tighten
the two screws evenly.
Figure 5,
Mounting the Drain Saddle Valve
© 2009 Aquathin Corporation. All rights reserved.
Preparing to Mount the Main Assembly
When possible we
mounting the main
assembly on the
left sidewall of the
cabinet, but this is
not a requirement.
It is not required
the system be
mounted at all—
many owners
choose to let the
main assembly
stand unsupported
on the floor of the
15 ¼"
Figure 6, Minimum space needed to perform service without removing main assembly from sidewall.
Mounting the system will make it easier to perform
periodic and annual maintenance. Allowing 15¼" from
the cabinet floor to the keyholes will allow the pre-filter
canisters to be removed without taking the main
assembly off the wall.
Install the screws provided allowing for the thickness of
the frame. (A pilot hole using a 1⁄16" drill bit is
recommended for particle board side-walls.)
NOTE: Do not hang the assembly until tubing
connections have been made (following pages.)
Figure 7, Spacing between keyholes (diagram not drawn to scale)
© 2009 Aquathin Corporation. All rights reserved.
If frame is below plane of
drain saddle valve, drain
tubing should be looped as
high as possible beneath sink.
Figure 8, Drain Tubing Connection
It is best to have the anodized aluminum frame placed
above the plane of the drain saddle valve whenever
possible. When this is not possible, extra care must be
taken when routing tubing from the assembly to the drain
saddle valve. (See Figure 8, above.)
Before proceeding, make sure the three pre-filter
canisters are firmly attached.
Mounting the Deionization Module (If purchased
as DIMS VS AK 40 DI complete)
The Aquathin 4 stage Deionization (DI) module can be
placed anywhere convenient inside the cabinet. Keep the
distance between the main assembly, storage tank, and DI
module as short as possible. The DI module can be
mounted horizontally (preferred) or vertically. If mounted
vertically, the outlet should be at the bottom.
Teflon wraps around fitting in same direction screws
into place. Expose 1st thread. NEVER use pipedope.
Wrap threads of 90
quick-connect fitting
with Teflon thread tape.
Screw fitting into module
until finger tight
Figure 9, Installation of 90° Speedfit Fittings into Deionization Module
© 2009 Aquathin Corporation. All rights reserved.
1) Establish the position for the Deionization module.
If mounting above the main assembly (See Figure 6, Page
13; and Appendix C, page 46) be sure to allow adequate
space to attach the main assembly. (Allow approx. 3"
from the bottom screw of the DI mounting band to the
screws supporting the main assembly.)
2) Secure the module to the wall of the cabinet using the
supplied stainless steel clamp and screws.
Establish position for stainless
steel mounting band. You must
attach the bottom screw first.
When performing annual
maintenance only the top
screw will need to be released
Figure 10, Mounting the Deionization Module
You have completed the bulk of the installation tasks. All
that remains is connecting tubing between the
components. Three lengths of tubing have been supplied:
6 Yellow tubing to connect the feed water saddle valve
to the inlet on the main assembly.
© 2009 Aquathin Corporation. All rights reserved.
6 Black tubing to connect the drain saddle valve to the
drain line check valve on the right rear of the main
assembly frame.
6 Blue tubing for all purified water connections: main
assembly to DI module, DI module to tank, tank to GAC
Post-filter, and Post-filter to faucet.
NOTE: When cutting the poly tubing, DO NOT USE
SCISSORS. Use a razor knife with a fresh blade. Do not
crimp or collapse the tubing. Cut the tubing with a clean,
90° angle. This will allow the tubing to seat firmly into
the fittings, creating a secure and leak free connection.
Connecting Tubing to John Guest Speedfit®
Aquathin systems make extensive use of John Guest
Speedfit® fittings. These high quality components
provide secure, leak free seals and make it easy to
connect and disconnect tubing without the use of tools.
Refer to diagrams on
page 47, Appendix C.
Connect Cold
Water Supply to
Feed Water Inlet
Measure and cut a
length of yellow
tubing to connect the
feed water saddle
valve to the inlet on
the left side of the
frame assembly.
Connect the tubing
Figure 11, Connect tubing as diagrammed
to the saddle valve
using the compression fittings provided.
(See Figure 11, and installation diagram on page 48.)
© 2009 Aquathin Corporation. All rights reserved.
Cut tubing so the end is square to ensure a leak free seal
Cut tubing with a fresh, sharp blade
and a slicing motion to avoid crimping
Figure 12, Cut tubing square. Do not use scissors.
Connect the Drain Line
Measure and cut a
length of black
tubing to connect the
drain water check
valve on the frame
assembly to the drain
water saddle valve.
Drain Check Valve
(See Figure 13, right,
and installation
diagram on page 48.)
Figure 13, Drain Line Connection
IMPORTANT: If the frame of the main assembly is not
above the drain saddle valve, you will need to loop the
tubing as high as possible beneath the sink. Be sure to
allow for this loop when you measure. (See Figure 8 on
page 14.) A self-adhesive tubing clip has been provided
to secure the drain loop.
© 2009 Aquathin Corporation. All rights reserved.
Connect DI Module to Main Assembly (DIMS
VS. Complete)
Measure and cut a
length of blue tubing
to connect the
reverse osmosis
(RO) water outlet on
the main assembly to
the INLET of
module. Typically,
this tubing is routed RO Water Outlet
(Connects to DI Module
behind the main
Figure 14
assembly. Insert
tubing into fittings
and secure with red lock clips provided. (See Figures 14
& 15, and installation diagram on page 48.)
NOTE: There is an arrow indicating direction of flow on
the DI module label.
Mount the Main Assembly to Cabinet Sidewall
With the cold water
supply, drain line,
and DI module
connected, the main
assembly can now
be placed onto the
screws previously
installed. Place the
keyhole openings
over the screws
Tubing connecting RO Water
then slide the frame
Outlet to DI Module inlet
horizontally onto
Figure 15
the mounting
You may wish to remove the main assembly and adjust
the screws to make the connection as secure as possible.
© 2009 Aquathin Corporation. All rights reserved.
Prepare Storage Tank
Wrap Teflon pipe tape
on the threads of the
storage tank, then
place three (3) drops
of regular household
chlorine bleach into
the opening.
Wrap pipe tape on threads. Follow label
instructions to ensure disinfection before attaching tank ball valve. Close
valve to prevent chlorine from escaping.
Close the tank ball
valve by turning the
perpendicular to the
valve body, then
screw the valve onto Figure 16, Storage Tank Preparation
the storage tank until
firm. DO NOT OVER-TIGHTEN. (See Figure16 .)
Determine the position for the storage tank beneath the
sink. If space is at a premium, it is OK to lay the tank on
its side. A stand is included.
Connect DI Module to Storage Tank
With the tank in
position, measure and
cut a length of blue
tubing to connect the
OUTLET of the DI
module and the “T”
connector on the tank
ball valve. (See Figure
17, right)
Figure 17,
DI Module to Storage Tank Connection
© 2009 Aquathin Corporation. All rights reserved.
Connect GAC Post Filter between Storage Tank
and Faucet
Refer again to the diagram on page 48 in Appendix C.
The GAC post-filter is typically installed just below the
faucet assembly and is easily supported by the tubing and
Speedfit® fittings.
Measure and cut a length of blue tubing to connect the
outlet of the GAC post-filter to the faucet assembly.
Placing the post-filter near the tank will make it easy to
service when needed.
Connect one end of the blue tubing to the threaded stem
of the chrome faucet assembly using the ¼" compression
fittings provided. (See Figure 12 on page 17.)
Connect the opposite end of the blue tubing to the outlet
of the GAC post-filter.
Finally, measure a length of blue tubing to connect the
storage tank to the GAC post-filter.
Leave the handle on the tank ball valve closed at this
Congratulations! You have completed the installation of
your Aquathin AquaKING water purification system.
You are now ready to begin making pure, Aquathin
quality drinking water.
Starting Your System
1) Open the chrome faucet on the sink top.
2) Verify the Tank Ball Valve is closed.
3) Put Flush Valve into the “Open - Flush” position.
(See Figure 18, page 22)
4) Slowly open your cold water supply valve. Water
will begin to fill the three pre-filter canisters. You
© 2009 Aquathin Corporation. All rights reserved.
will also begin to hear water flowing past the flush
valve and into the drain.
5) The system might “chug” and appear to start and
stop. If this occurs close the Flush Valve half way to
create back-pressure on the line.
6) Let the system “Flush” for about 10 minutes, then
close the Flush Valve.
7) Check the pressure gauge. Record your initial
pressure in Appendix B.
8) In approximately 20 minutes you will begin to see
water drip from the faucet.
9) Close the chrome faucet on the sink top, and then
quickly open the Tank Ball Valve to allow the
storage tank to fill. Actual production rate will vary
slightly depending on pressure, but your system will
normally produce water at a rate of ~1.5 to 1.75
gallons per hour. The first tank of water may take
WATER. Open the faucet and let the water flow
until only a trickle remains. Close the faucet and
allow the tank to fill a second time. You are now
ready to enjoy the great taste of 100% pure,
Aquathin drinking water. (The RO membrane
contains a preservative solution that will be flushed
after the first tank of water is produced.)
Flushing is the single most important maintenance
function needed to keep your system operating at peak
efficiency. This simple operation only takes a few
minutes and extends the service life of the reverse
osmosis membrane.
© 2009 Aquathin Corporation. All rights reserved.
1) Flushing is only possible when the system is filling.
Pressure gauge will read zero (0) when the system is idle.
Empty the storage tank until you hear water begin to
2) Move the handle
on the flush valve to
the “Open - Flush”
position. This will
allow water to flow
rapidly across the
Open - Flush
Closed – Production
Figure 18, Manual Flush Valve
3) Set a kitchen timer so you do not forget to return the
flush valve to the closed position.
Flushing once per week for 5 minutes is ideal. If you
forget to flush the system for an extended period of time
perform an exhaustive flush by leaving the flush valve
open for 20 minutes.
If your unit has not been used for more than one week
(e.g. while you are on vacation), drain the storage tank
(use the water for watering plants, etc.) then flush the
membrane for 5-10 minutes as described above.
IMPORTANT: Monitor your system and check for
leaks frequently over the first week.
Most leaks are attributed to tubing not fully seated
inside the Speedfit® fittings. Remove the red lock clip,
compress the collet, and remove the tubing. Re-insert
the tubing until you feel it bottom out on the tubing
end-stop. Replace the red lock clip. This process
solves 99% of leaking connections. If the leak persists,
trim ¼" – ½" off the end of the tubing and try again.
© 2009 Aquathin Corporation. All rights reserved.
Getting to Know Your Aquathin AquaKING
Your Aquathin AquaKING system combines the three
most effective water purification technologies available.
Alone, each of these methods is highly effective at a
particular group of pollutants—but only when combined
can you be assured of complete removal of all
contaminants. Every system combines Carbon
Adsorption, Reverse Osmosis, and Deionization. By
carefully matching the components utilizing these
methods, Aquathin has earned a patent to assure your
system produces water which meets or exceeds the
standards for bio-compatibility and purity.
Aquathin Sediment Filter
Water entering the system is first subjected to our spunPolypropylene dual gradient (10-5 microns) sediment pre
-filter. Any suspended particles such as sand, rust, or
other deposits commonly found in the feed water supply
are removed. This protects the Aquathin Reverse
Osmosis Membrane from particles which might clog the
pores. This pre-filter has been carefully manufactured for
its extremely high dirt holding capacity and removal of
oil emulsions.
© 2009 Aquathin Corporation. All rights reserved.
Granular Activated Carbon
Before water reaches the Aquathin Reverse Osmosis
Membrane, it is subjected to twin, “Aquathin
unidirectional” Granular Activated Carbon pre-filters.
Flow is lengthwise, not radial, for maximum contact
time and organic adsorption. Aquathin has designed
twin carbon filters in this stage where other ordinary
assembler use only a single cartridge. By using twin
cartridges we insure complete removal of organic
contaminates including pesticides, herbicides, and
other hydrocarbon based compounds.
A single gram of steam washed, bituminous grade,
granular activated carbon typically has ~1500 square
meters of surface area—meaning our twin GAC prefilters provide over 400 acres (1.62 square kilometers)
of surface area where organic contaminants dissolved
in the water have an opportunity to be adsorbed and
eliminated. This immense GAC surface area also
insures complete and total conversion of chlorine and
chloramine—protecting the Aquathin polyamide thinfilm-composite (TFC) Reverse Osmosis Membrane
Aquathin Reverse Osmosis Membrane
A custom designed and extremely efficient High Flow
(XF-HRO) spiral wound Reverse Osmosis Membrane
produces up to 45 gallons (~170 liters) of purified
water per day. The Aquathin RO Membrane utilizes
the unique properties of a semi-permeable material
which allows passage of pure water molecules while
not allowing dissolved salts, heavy metals, organics
and disease causing water-borne microorganisms to
pass through. Our extraordinary membrane is designed
to consistently and significantly reduce the total
dissolved solids in the source water supply by greater
than 97%. It also has a tremendous capacity to
completely reject organic and biological contaminates,
© 2009 Aquathin Corporation. All rights reserved.
including disease causing water-borne microorganisms.
EPA EST. NO. 52531-FL-01
The Aquathin Reverse Osmosis Membrane used in this
system can tolerate significantly higher concentrations of
oxidizing contaminants like iron and manganese than RO
membranes found in other systems, as well as a much
higher degree of hardness. However, there are
limitations—the operating parameters for this membrane
are found in the Specifications section of this manual.
Aquathin Deionization Module
This stage contains a unique blend of proprietary
deionization resins carefully matched to our Reverse
Osmosis Membrane and provides superior rejection of
monovalent ions, fluoride, and nitrates; contaminants
only partially removed by reverse osmosis. Including
deionization after reverse osmosis sets Aquathin systems
apart from other ordinary RO systems.
Following the DI resins, there is even more granular
activated carbon to polish the product water for a clean,
fresh taste. The flow rate at this stage provides
tremendous contact time to assure complete removal of
any remaining organic contaminates.
The final stages of our proprietary DI module are
included to prevent the reverse migration of contaminates
into the system. These stages further separate Aquathin
systems from other brands. After carefully combining the
previous components it is essential to integrate these
stages to ensure 99.999% removal of bacteria, cyst, and
virus (EPA EST. No. 52531-FL-01). These stages also
prevent any contaminants from entering the system via
the faucet.
© 2009 Aquathin Corporation. All rights reserved.
To insure proper operation of your AquaKING system, it
is advisable to collect the following information about
your water supply. This information is generally
available from your municipal water department, and in
many cases is available from the website of your local
Department of Public Works.
In order to overcome the natural osmotic force, adequate
water pressure must be available from your water supply.
The osmotic force is directly proportional to the
concentration of dissolved solids in the water. When the
water pressure is equal to the osmotic force, there will be
no movement of pure water molecules across the semipermeable reverse osmosis membrane. A minimum of 45
PSI is required. (If your water pressure is below 45 PSI, a
booster pump is available. If you are on a private well,
have your plumber raise the minimum pressure above 45
In general, the higher the pressure (up to 100 PSI), the
better the performance of the membrane at rejecting
The Aquathin HRO TFC membrane will hold up very
well when the pH of the feed water is between
2 and
11. Water supplies with pH over 11 are very rarely, if
ever, found. (Chlorine bleach has a pH of ~11.5.)
Chlorine and Chloramines
Chlorine is the most common substance added to
municipal water supplies. Its purpose is to eliminate
biological growth (i.e. chlorine is toxic). Regulations
usually require there be residual chlorine when water
reaches your tap. Typically, the residual concentrations of
© 2009 Aquathin Corporation. All rights reserved.
chlorine in household water range from 0.5 to 1.0 partsper-million (ppm).
Besides being toxic, chlorine and chloramines will
degrade the TFC Reverse Osmosis Membrane. Therefore,
it is essential to remove chlorine from your feed water
before it reaches the RO membrane. Your Aquathin RO/
DI system includes a pre-filter containing a special grade
of grade of Granular Activated Carbon (GAC) which will
very effectively remove chlorine and chloramines from
your tap water. It is important to replace the pre-filter
annually to insure no chlorine is reaching the membrane.
In areas with very high sediment concentrations the
Aquathin pre-filter may clog prematurely. If the pre-filter
becomes clogged, you will likely notice a decrease in the
production rate from your system. In areas with very high
sediment concentrations, it may be necessary to replace
the pre-filter on a semi-annual basis.
Over the course of one year, the sediment filter will
typically become significantly discolored. This is not
cause for alarm. If you notice pressure at the gauge has
dropped significantly below your initial observations,
consider changing this filter to restore adequate pressure
and improve overall system performance.
Iron concentrations greater than 0.1 mg/l can degrade
overall system performance. If your water supply has iron
concentrations above 0.1 mg/l, pretreatment is
recommended for ordinary RO systems. Your patented
Aquathin process will tolerate up to 3 ppm iron.
© 2009 Aquathin Corporation. All rights reserved.
Hardness and More
Two thirds of the water on earth is groundwater. As it
travels through rock and soil it picks up particles of
calcium, magnesium, iron, lead, and other minerals. For
85% of the country, that translates into “hard water”.
“Hardness” refers to the amount of calcium and
magnesium in the water and is measured in grains per
gallon (gpg). The following guide defines your water’s
hardness based on two different measurements. Our test
determines the grains of hardness that can easily be
converted into the ppm.
Description Grains of
Parts per
Soft (ideal)
1/4 dispenser
1/4 dispenser
1/2 dispenser
Moderately 3.5—7.0
1/2 dispenser
Very Hard
Full dispenser
Most of the problems associated with hard water are
economical in nature. Hardness causes unsightly soap
scum on fixtures, water spots on glasses and whitish scale
deposits in your tubs and showers. Hard water means
you use more soap and cleaning agents because they first
have to “clean” the water before they clean anything else.
© 2009 Aquathin Corporation. All rights reserved.
ere is a little additional information about the
ordinary RO systems sold in hardware stores and
wholesale clubs:
1) They state their systems must be installed on water
with less than 10 grains of hardness. Otherwise you need
an expensive water softener just for the RO system. Your
Aquathin can be installed on hard water up to 25 grains
due to the patented flush.
2) There is a disclaimer that those units may not be
installed on microbiologically unsafe water. But would
that not be a reason one would purchase a system? Your
Aquathin will remove disease causing waterborne
3) Their warranty is one year, but does not cover the RO
membrane, yet that is the heart of the unit. When service
is needed, you must ship the system out of town. Some
require the membrane to be replaced every 6 months
according to them. Your Aquathin carries a Lifetime
Warranty except for normal filter changes and abuse.
ou originally invested in your Aquathin to provide
your family the very best in total home water
security. There is hardly anything in this world that a
man could not make a little worse or a little cheaper, and
the people who consider price alone are this man’s lawful
prey. It's like this: we would rather explain price once
than apologize for poor quality and service the rest of our
life. In 1980 Aquathin made the decision at the onset;
that we would never sacrifice or lower quality for price…
too much depends on it. Would you prefer that your
family drink from a system whose poor technology and
cheap design allows them to continue to consume
contaminates…or a product that provides the safest and
most pure drinking and cooking water available?
© 2009 Aquathin Corporation. All rights reserved.
Minimal work is required to keep your Aquathin
AquaKING system in peak operating condition. Simply
follow a regular schedule of flushing and replace the
filter modules as recommended. These simple steps will
insure your unit consistently produces ultra-pure water
meeting Aquathin standards. Take care of your Aquathin
system and it will provide many years of healthful
drinking and cooking water for your entire family.
Flushing is the single most important maintenance
function needed to keep your system operating at peak
simple operation
only takes a few
extends the service
life of the reverse
Open - Flush
osmosis membrane.
1) Flushing is only
possible when the
system is filling.
Closed – Production
© 2009 Aquathin Corporation. All rights reserved.
Pressure gauge will read zero (0) when the system is idle.
Empty the storage tank until you hear water begin to
2) Move the handle on the flush valve to the “Open Flush” position. This will allow water to flow rapidly
across the RO membrane, washing away concentrated
3) Set a kitchen timer so you do not forget to return the
flush valve to the closed position.
Flushing once per week for 5 minutes is ideal. If you
forget to flush the system for an extended period of time
perform an exhaustive flush by leaving the flush valve
open for 20 minutes.
If your unit has not been used for more than one week
(e.g. while you are on vacation), drain the storage tank
(use the water for watering plants, etc.) then flush the
membrane for 5-10 minutes as described above.
After 12 months of use, it is time to replace the Aquathin
sediment pre-filter, the Aquathin twin GAC carbon
filters, and the Aquathin Deionization Module to insure
your system continues to produce water within Aquathin
parameters. Replacement modules can be ordered directly
from your local Authorized Aquathin Dealer.
Remove the contents from beneath the kitchen sink
where the Aquathin AquaKING assembly is located.
Turn off the cold water supply line.
Drain ALL the water from the storage tank by
opening the sink mounted faucet.
Close the faucet and the ball valve on the top of the
storage tank.
© 2009 Aquathin Corporation. All rights reserved.
Open the Flush Valve (relieves pressure)
Place a towel beneath the pre-filter/RO assembly—it
will absorb the small amount of water that will spill
from the modules as they are changed out.
It is often helpful to have an empty 3-5 gallon bucket
Replacing the Aquathin Sediment Pre-filter
The sediment pre-filter is in the canister on the left side
of the assembly, beneath the manual flush valve. The
sediment pre-filter will likely be distasteful looking—it is
common for sludge to form on the filter surface. After
one year, this sludge layer can be fairly thick. The good
news is, if the sediment filter and AquaKING did not
catch this “guck”, your body would!
Push the red button (on the top of the aluminum
frame, above the pre-filter canister) to reduce any
back pressure remaining in the canister.
b) Firmly grasp the canister with both hands and
unscrew it from the pre-filter assembly. (A canister
wrench is available.) Carefully move the canister
over the bucket, dump the water, and remove the old
Using a long handled, soft bristle brush, scrub the
inside of the canister with a mild dish washing
detergent and rinse.
d) Place the new pre-filter into the canister, and then
carefully re-attach the canister to the assembly.
Tighten until firm.
Replacing the Aquathin GAC Pre-filters
The twin unidirectional, GAC pre-filters are in the middle
canister and the canister on the right. Follow the same
procedure as described for replacing the sediment prefilter (above).
© 2009 Aquathin Corporation. All rights reserved.
Replacing the Aquathin DI Module
(Refer to page 47, Appendix C, for details on releasing
tubing from Speedfit® fittings)
1) Disconnect the tubing from both ends of the DI
module. Some water will pour from the tubing once
released. (If the DI module was mounted vertically,
you might find less water will be spilled if you
remove the tubing from the outlet end after removing
the module from the retaining clamp.)
2) Remove the top screw from the clamp and remove
the old DI module. (The clamp is flexible and can be
bent out to allow the module to be removed.) Note
the direction of flow. You will need to install the
new DI module in the same orientation.
3) Unscrew the Speedfit® fittings from both ends of the
module. Scrape away the old Teflon® thread tape
(without damaging the plastic threads) and re-wrap
the threads.
4) Install the Speedfit® fittings into the new DI
5) Place the new DI module into position, taking care to
note the direction of flow. Secure the clamp and reconnect only the tubing from the main assembly.
Gently tug on the tubing to insure a secure, leak free
The next step will disinfect and sterilize the storage tank:
6) Carefully place a few drops of regular household
bleach into the tubing that connects the outlet of the
DI module with the storage tank before connecting
the tubing to the DI module. (As the tank fills with
water for the first time, it will be subjected to a
strong but continually diluting solution of chlorine.)
© 2009 Aquathin Corporation. All rights reserved.
Alternate disinfection procedure:
Disconnect the tubing from the “T” connector on the
tank ball valve and remove the storage tank from
beneath the sink.
b) Wrap a towel around the ball valve and slowly
unscrew the valve from the storage tank. There is
always some water remaining in the tank and this
will escape when the valve is removed. After setting
the valve aside, place the towel over the tank
opening and shake and rotate the tank to remove any
remaining water.
Re-wrap the threads with Teflon® pipe tape.
d) Now place a few drops of liquid chlorine bleach into
the top of the tank and re-install the tank ball valve (with
the valve in the closed position).
Reconnect the tubing to the swivel “T” connector.
Returning the AquaKING System to Service
To return your system to service:
Verify the manual flush valve is in the “Open Flush” position.
Open the valve on top of the storage tank.
Slowly re-open the cold water supply line. The prefilter canisters should begin to fill.
After ten (10) minutes, move the manual flush valve
to the “Closed - Production” position.
Check for leaks around the tops of the pre-filter
canisters. If water is seeping from any of the
canisters turn the cold water supply off, move the
manual flush valve to the “Flush” position, and then
© 2009 Aquathin Corporation. All rights reserved.
relieve line pressure by pressing the red button on
top of the canister. Unscrew the leaking canister
from the assembly. Check to be sure the O-ring is
properly seated and then carefully re-attach the
canister to the assembly, taking care to align the
filter module inside. Tighten until firm.
Check for leaks at either end of the DI module and at
the storage tank.
Allow the system to produce a full tank of water.
Drain off and discard the initial tank of water. Do not
use for cooking or drinking.
You are now ready to enjoy great tasting, pure
Aquathin water for another 12 months!
© 2009 Aquathin Corporation. All rights reserved.
Q: How long will my sediment pre-filter last before it
needs to be replaced?
A: Under typical conditions, the pre-filter is designed to
function properly for 12 months, and should be replaced
annually. Sediment concentrations vary greatly between
municipal systems and well waters so there is no way of
determining the lifetime of a filter without knowing more
about the tap water. In some cases, it may be necessary to
replace the pre-filter more frequently.
Q: How long will my GAC pre-filters last before they
need to be replaced?
A: Your Aquathin AquaKING system has been designed
to operate within a wide range of tap water conditions.
These conditions vary greatly across municipalities, so it
is difficult to state precisely how long your pre-filters will
last. We have designed the system so that under the most
extreme conditions your pre-filters will still be
performing correctly after 12 months of use. Following
an annual replacement schedule will insure your system
is consistently performing as designed producing ultrapure water which meets the standards for biocompatibility.
Q: How long will my reverse osmosis membrane last?
© 2009 Aquathin Corporation. All rights reserved.
A: The membrane’s life depends on the water conditions
as listed in the specification section of this manual. If all
these conditions are met, the life of the membrane is
generally 2–4 years. If a membrane fails or its
performance becomes reduced before this time, the cause
can usually be traced to tap water conditions outside the
specifications or failure to flush.
Q: How do I know if there is a problem with the
A: The best method is to measure the resistivity
(conductivity) of the RO water and compare it to the tap
water. You can invest in a reliable and inexpensive
resistivity meter (available from your local Authorized
Aquathin Dealer) or you can send samples to them for
analysis. (Poor rejection rates may also be an indication
of a clogged pre-filter, so check that filter first.) A large
increase in the production rate is also an indication of
membrane failure, and can often be traced to the
membrane having been subjected to either freezing or hot
Q: How can I monitor the performance of the unit?
A: Your Authorized Aquathin Dealer will register your
warranty card and purchase with Aquathin Corporation.
Every year upon the anniversary of your installation,
Aquathin Corporation and your Aquathin Dealer will
mail or email an Annual Service Reminder to have your
system inspected and serviced if necessary. Also, with
identical feed water pressure, the production rate should
remain fairly constant. If your system begins to produce
water at a much faster rate, the RO membrane may have
failed. If your system is producing water at a much lower
rate, replacing the pre-filter is often indicated.
To monitor the overall system rejection rate, the best
method is to obtain either a resistivity meter or TDS
meter from your Authorized Aquathin Dealer.
© 2009 Aquathin Corporation. All rights reserved.
Q: Will I lose valuable minerals when I drink purified
A: No, the body does not readily assimilate the minerals
found in drinking water. We obtain the majority of our
minerals from the foods we eat. There are many more bio
-available “chelated” minerals in a piece of organic fruit
or a serving of organic vegetables than in several gallons
of water.
Q: Will pure water leach minerals from my body?
A: This question reflects one of the common myths that
are found in the water industry. It has no basis in fact or
physiologic science. Pure water does perform a valuable
function by helping the body eliminate wastes and
unused minerals that have been excreted from cellular
tissues, but it does not “leach” minerals out of the cells.
This false claim was probably first made by companies
wanting to boost sales of filters incapable of removing
dissolved minerals and dangerous heavy metals. ASK
your Authorized Aquathin Dealer for a copy of “5th
Function of Water”.
Q: Will hot water ruin my RO membrane?
A: YES! Hot water over 100° F will damage the
membrane and void your warranty. Make sure you use
only COLD water in your Aquathin system.
Q: How should I store my purified water?
A: Ask your Authorized Aquathin Dealer about clear
Aquathin polycarbonate bottles.
Q: How should I store my unit when not in use?
A: If your unit is out of service for several days (while
you are vacationing, for example) no special precautions
are required. However, we do recommend you flush the
unit for 10-15 minutes and discard the first tank of water
when you return the system to production.
© 2009 Aquathin Corporation. All rights reserved.
Q: How long does it take to make a tank of water?
A: The rate your system produces water is dependent
upon several factors including source water pressure,
temperature, and the amount of total dissolved solids
(TDS). We rate our membranes very conservatively, and
the AquaKING Series comes with a 45 gallon per day
membrane, meaning water production will normally be
1.5 – 2 gallons per hour.
Q: When I put my system into flush mode, it makes
noise. Is this normal?
A: When your system is flushing, water is flowing to the
drain much faster than normal production mode. The
check valve will sometimes chatter with the increased
flow, and this can be heard as a hum or rattle. When your
system is first put in service, there may be air in the lines
that can also cause noise from the system. After a few
days the noise typically will go away.
You might also notice that your system will seem to start
and stop (chug) when you open the flush valve. If this
happens, simply open the valve a little less than fully
open so some pressure is still showing on the gauge.
Q: How can I keep informed about Aquathin?
A: “Splash News Bulletin”, “Forum Q&A”, “Allergic
Reaction”, “Biz Bank”, “Tech Bank”, and “Quote Bank”
are all FREE services to all Authorized Aquathin Dealers
and their Customers to keep you abreast of technology
updates and industry news.
Email Aquathin at to subscribe.
© 2009 Aquathin Corporation. All rights reserved.
L i m i t e d
W a r r a n t y
Aquathin Corporation warrants to the original owner each
AquaKING Series Water Purification System to be free
from defects in materials and workmanship for as long as
you own the product.
What The Warranty Covers
Full Lifetime Warranty on all parts (excluding normal
module changes or abuse).
Your AquaKING Series pure water appliance is a
sophisticated water purification system. Failure to
follow the maintenance schedule or use other than
genuine Aquathin components will void the exclusive
lifetime Warranty.
Exceptions to Lifetime Warranty
The Lifetime Warranty does not include damage caused
by or resulting from unreasonable use, including failure
to provide reasonable maintenance, or incidental or
consequential damages, such as water damage, mold or
damage to appliances, fixtures or other equipment.
Warranty will be void if product failure or damage is due
to any of the following:
© 2009 Aquathin Corporation. All rights reserved.
Misuse, misapplication, neglect (e.g. inadequate
filter changes), alteration, hot feed water, freezing, or
Improper installation, operation, or servicing.
Use only Genuine Authorized Aquathin components
to assure efficiency and to maintain your Warranty.
No one is authorized to change or add to this
What We Will Do To Correct An Inconvenience
Upon notice, we will repair or replace covered defective
parts, free of charge. If it is necessary to return the
product to an Aquathin Dealer for service, the buyer must
pay for any shipping or travel costs. Aquathin Dealer will
pay for any return shipping charges in the U.S. for parts
or products covered under the Warranty.
An Aquathin Dealer will furnish any factory labor to
make repairs on parts or products returned to the factory
that are covered under the Warranty.
How State Law Relates To The Warranty
Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above
limitation or exclusion may not apply to you. This
Warranty applies to the original purchaser and gives you
specific legal rights. You may also have other rights
which vary from state to state.
© 2009 Aquathin Corporation. All rights reserved.
Following are the recommended operating parameters for
our custom rolled Reverse Osmosis membrane:
Membrane type
Aquathin Spiral Wound Polyamide Thin Film Composite
Up to 45 Gallons-Per-Day
Maximum Operating Temperature
40–100° F (4–38° C)
Operating Pressure
45–100 psi (3.1–6.9 bar)
pH Range
TDS Level, Maximum
2000 ppm
< 1.0 Net Turbidity (NTU)
Chlorine (Cl2)
0.00 mg/l *
Hardness (CaCO3)
< 427 mg/l
Iron (Fe) & Manganese
< 3.0 mg/l
Hydrogen Sulfide (H2S)
0.00 mg/l
* Every system is equipped with our unique combination pre-filter to remove sediment and chlorine.
© 2009 Aquathin Corporation. All rights reserved.
You can obtain specifics about your water supply from
either your local water department or your local
Authorized Aquathin Dealer. If the parameters of your
water do not fall within the specified ranges as noted
above, please contact your local Aquathin Dealer for
further treatment options. Production is rated at optimum
temperature of 70° F, 60 PSI, and 500 ppm TDS. Actual
production will vary depending on local temperature,
pressure, and TDS level.
Low tap water pressure will reduce the volume and
quality of the water produced by your system. In low
pressure situations (<45 PSI, 3.1 bar) RO/DI values
cannot be assured. The addition of a booster pump (PBAAK) is strongly recommended.
ALWAYS USE COLD WATER—hot water will damage
the TFC membrane.
The unit must not be allowed to freeze. Freezing water
will expand inside the modules—damaging the
membrane and potentially rupturing the filter housings.
Damage of this type will void the Warranty.
This system has been tested according to WQA S-300 for
reduction of TDS. The concentration of TDS in water
entering the system was reduced to less than or equal to
the permissible limit for water leaving the system, as
specified in WQA S-300. Testing was performed under
standard laboratory conditions. Actual performance may
vary. Follow installation procedures and scheduled
maintenance for optimum performance.
© 2009 Aquathin Corporation. All rights reserved.
Replacement Schedule
Below you can find the recommended replacement
schedule and part numbers for the components of your
Aquathin water purification system.
Replacement Components and Schedule
Sediment Prefilter
Annually (or as
GAC Pre-filter
4 Stage Aquathin
High Flow RO
2-3 years (as needed)
GAC Post Filter
2-3 years (as needed)
Order No.
Purchase Date: _________________________________
Purchased From: _______________________________
Serial/Model Number:____________________________
Pressure Gauge Initial Reading: ____________________
© 2009 Aquathin Corporation. All rights reserved.
Maintenance Log
Module Replaced
© 2009 Aquathin Corporation. All rights reserved.
Sink Mounted Faucet
© 2009 Aquathin Corporation. All rights reserved.
Anatomy of a John Guest Speedfit ® Fitting
Tubing End-stop
Internal O-Ring
To make a connection:
1)Insert tubing into fitting,
2)Past the Internal O-Ring,
3)Until it bottoms out
against the tubing end-stop
Pull on tubing to ensure a
secure connection, then
slide red Lock Clip between collet and fitting.
To remove tubing:
Remove the red Lock-Clip
Push Collet up against body of the
fitting, which will release the internal
While compressing Collet, pull out the tubing.
© 2009 Aquathin Corporation. All rights reserved.
AquaKING DIMS Installation Diagram
1) Sink Mounted Faucet
5) Main Assembly
2) Drain Saddle Valve
6) Flush Valve
3) Feed Water Valve
7) Deionization Module
4) Tank Ball Valve
8) GAC Post-Filter
© 2009 Aquathin Corporation. All rights reserved.
Purpose of diagram is to indicate tubing connection and location of components relative to water flow. Diagram is not drawn to scale and is not intended
to indicate actual position of components beneath the sink.
© 2009 Aquathin Corporation. All rights reserved.
© 2009 Aquathin Corporation. All rights reserved.
© 2009 Aquathin Corporation. All rights reserved.
EPA EST. NO. 52531-FL-01
© 2009 Aquathin Corporation. All rights reserved.
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