Watts Pure H20-DWRO300 Guide d'installation

Marque: Watts

Modèle: Pure H20-DWRO300

Taper: Guide d'installation

Refer to enclosed warranty for operating parameters

to ensure proper use with your water supply.

Installation, Operation and

Maintenance Manual

3-Stage Reverse Osmosis System

With Push-Button Filter Replacement

Model: H2O-DWRO300

System tested and certified by WQA against

NSF/ANSI Standards 42, 58, and NSF/ANSI/CAN

372 for Lead Free Compliance. For specific

performance and reduction claims verified

and substantiated through test data see the

performance data sheet.

P/N 88005233

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.

Page 2

Overview

Thank you for your purchase of a state of the art Pure H2O

Reverse Osmosis (RO) water treatment system. Water quality

concerns are becoming more of a focus for the public. You

may have heard about contaminants in the drinking water

such as Arsenic, Chromium, Cryptosporidium or Giardia.

There may also be some local water issues such as high levels

of Lead and Copper. This Pure H2O water treatment system

has been designed to provide you with high quality drinking

water for years to come. The following is a brief overview of

the system.

Your Reverse Osmosis System:

Osmosis is the process of water passing through a semi-

permeable membrane in order to balance the concentration of

contaminants on each side of the membrane. A semi-permeable

membrane is a barrier that will pass only certain particles like

clean drinking water, but not other particles like arsenic and lead.

Reverse osmosis uses a semi-permeable membrane; however,

by applying pressure across the membrane, it concentrates

contaminants (like a strainer) on one side of the membrane,

producing crystal clear water on the other. This is why RO

systems produce both clean drinking water and rinse water that

is flushed from the system. This reverse osmosis system also

utilizes carbon block filtration technology, and can therefore

provide a higher quality drinking water than carbon filtration

systems alone.

Your system is a three stage Reverse Osmosis which is based

upon separate treatment segments within the one complete

water filtration system. These stages are as follows:

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.

IMPORTANT

CAUTION

NOTICE

Stage 1 – Carbon Block Filter, recommended change

every 6 months.

The first stage contains a 5 micron carbon block filter. This helps

ensure that chlorine and other materials that cause bad taste

and odor are greatly reduced. It is independently tested and

verified to trap matter like dirt, silt, and rust.

Stage 2- Reverse Osmosis Membrane, recommended

change every 2-5 years.

The second stage is the heart of the reverse osmosis system,

the 50GPD (Gallons Per Day) RO membrane. This independently

tested and verified semi-permeable membrane will effectively

reduce TDS, Sodium and a wide range of contaminants such

as Chromium, Arsenic, Copper, and Lead, as well as Cysts,

such as Giardia and Cryptosporidium. Because the process of

extracting this high quality drinking water takes time, your RO

water treatment system is equipped with a storage tank.

Stage 3- Granular Activated Carbon filter, recommended

change every 12 months.

The third stage is a Granular activated carbon (GAC) filter.

This filter is used after the water storage tank, as a final

polishing filter to the product water. There is an average of

4 gallons of reject water for every 1 gallon of product water

produced. That is why the life of the GAC filter is extended to

12 months vs the 6 months Carbon block.

Note: Filter and Membrane life may vary based upon local water

conditions and/or use patterns.

System Maintenance

It is important to change filters at the recommended interval

indicated in this manual. Many contaminants are not detectable

by taste. In addition, other bad tastes and odors may become

apparent over time if filters are not replaced.

It is important to change out your filters at the recommended

intervals as indicated in this system manual. When replacing the

filter elements, pay special attention to any cleaning instructions.

Should you have any further questions please call our retail

customer service at (888) 321-0500.

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.

Discard small parts remaining after the installation.

Page 3

Operational Parameters

NOTICE

Installation must comply with state and local plumbing regulations.

Operating

Temperatures: Maximum 100°F (37.8°C) Minimum 40°F

(4.4°C)

Operating Pressure: Maximum 100 psi (690 kPa) Minimum 35 psi

(341 kPa)

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 grains per

gallon, or 170 parts per million.

* System will operate with hardness over 10 grains but the

membrane life may be shortened. Addition of a water

softener may lengthen the membrane life.

Water Pressure: The operating water pressure in your home

should be tested over a 24 hour period to attain the maximum

pressure. If the incoming water pressure is above 100 psi then a

water pressure regulator is required. A booster pump is needed

for incoming water pressure under 35psi.

NOTICE

Table of Contents

Overview ........................................2

Operational Parameters.............................3

Installation and Startup

Contents of Reverse Osmosis System..................4

Recommended Tools For Installation ...................4

Plumbing Diagram and Parts List......................5

Drill a Hole for the Reverse Osmosis Faucet..............6

How to use Quick Connect Fittings on Your RO System ....6

Faucet Installation .................................7

Adapt-a-Valve Installation ...........................8

Drain Saddle Installation ............................8

Drain Saddle Tube Connection .......................9

Tube Connections .................................9

Reverse Osmosis Module Mounting ..................10

Tank Ball Valve Installation ..........................10

Blue Tube Connection .............................10

Start up Instructions ..............................10

Maintenance and Troubleshooting

Membrane Replacement ..........................11

Changing The Filter Cartridges ......................11

Annual Sanitization ...............................12

Check Air Pressure in the Tank ......................13

Procedure for Extended Non-Use (More than 2 months) ...13

Performance Data Sheet ...........................14

Troubleshooting .................................15

Arsenic Fact Sheet ...............................15

Service Record ..................................16

Limited Warranty .................................18

Copper Tube: Reverse Osmosis water should not be run through

copper tube as the purity of the water will leach copper causing

an undesired taste in water and pin holes may form in the tube.

System is intended to be installed using the cold water supply only.

WARNING

Page 4

If any of the items are missing please contact retail customer

service at (888) 321-0500 prior to installing.

Contents of the Reverse Osmosis

(RO) System

Please make sure all of the items listed below are contained in the

box. If any of the items are missing please contact retail customer

service at (888) 321-0500 prior to installing.

• Tank

• Module - Carbon Block , Reverse Osmosis Membrane,

Granular Activated Carbon Filters (attached to filter head)

• Part bag - Water line tubing, Drain saddle, Adapt-a-valve with

brass adapters, drain saddle, tank ball valve, mounting screws

and PTFE thread seal tape

• Faucet with all assembly parts

Recommended Tools

For Installation

• 1¼" Diamond Tipped Hole Saw bit for faucet opening

(Counter Tops/Porcelain and Stainless Sinks)

• 1¼" adjustable wrench

• Phillips bit for electric drill

• ½" open end wrench

• Needle nose pliers

• 5⁄8" open end wrench

• Adjustable pliers

• Electric drill

• Sharp knife or tube cutter

• 1⁄8" diamond tip bit, pilot hole

• Phillips screw driver

• ¼" drill bit for drain saddle hole

Page 5

Plumbing Diagram and Parts List

Parts List

Item Description

1Filter Module

2Automatic Shut off Valve

3Storage Tank - 3 Gallons

4Adapt-a-Valve

5Faucet - Standard A/G Chrome

6Tank Valve - ¼" FNPT x ¼" C

7Drain Saddle - 3⁄8 QC - Kit

8Tank Stand

9¼" Green Tubing

10 ¼" Blue Tubing

11 3⁄8" Black Tubing - 3ft. X 1

12 ¼" Red Tubing

13 Carbon Block Filter (H2O-F12)

14 Reverse Osmosis Membrane Filter (H2O-F16)

15 Granular Activated Carbon Filter (H2O-F17)

16 Union Fitting - ¼" QC X ¼" QC

COLD WATER

ANGLE-STOP

SUPPLY

ADAPT

-A-

VALVE

GREEN ¼" TUBE FEED

TANK

AUTO-SHUT OFF

VALVE

BLUE ¼" TUBE TANK

BLUE ¼" TUBE

FAUCET

BLACK 3⁄8" TUBE

DRAIN

RED ¼" TUBE

BRINE

DRAIN

SADDLE

Page 6

Step 1 - Determine desired

location for the

faucet on your sink

and place a piece of

masking tape over

where the hole is to

be drilled. Mark the

center of the hole on

the tape.

Step 2 - Using a variable

speed drill set on the

slowest speed, drill

a 1⁄8" pilot hole with

the 1⁄8th in diamond

drill bit through both

porcelain and metal

casing of sink at the

marked center of

the desired location.

Use lubricating oil or

liquid soap to keep the drill bit cool (If drill bit gets hot

it may cause the porcelain to crack or chip).

Step 3 - Using a 1¼" diamond tip hole saw, proceed to drill

the large hole. Keep drill speed on the slowest speed

and use lubricating oil or liquid soap to keep the hole

saw cool during cutting.

Step 4 - After drilling, remove all sharp edges and make

sure the surroundings of the sink are cooled before

mounting the faucet.

NOTICE

Drill a Hole for the Reverse

Osmosis Faucet

For Marble and granite Counter-tops, we recommend contacting

a qualified contractor for drilling a hole in a marble and granite

counter-top.

Note: Most sinks are predrilled with 1½" or 1¼" diameter hole that

you can use for your Drinking Water faucet. (If you are already using

it for a sprayer or soap dispenser, see Step 1).

Porcelain sinks are extremely hard and can crack or chip easily.

Use extreme caution when drilling. Watts accepts no responsibility

for damage resulting from the installation of faucet. Diamond tip

bit recommended.

Cut the tube square. It is

essential that the outside

diameter be free of score

marks, and that burrs and

sharp edges be removed

before inserting into fitting.

Using Quick-Connect Fittings

Cutting

Make certain to push

the tubing completely

into the connector until

it comes into contact

with the internal tubing

stop. The collet (gripper) has stainless steel teeth which hold

the tube firmly in position while the O-ring provides a permanent

leak proof seal.

Pull on the tube to check that it is secure. The system must be

tested prior to leaving the site and/or before use.

Connecting

To disconnect, ensure the

system is depressurized

before removing the tube.

Push in collet squarely

against the face of the fitting. With the collet held in this position,

the tube can be removed. The fitting can then be reused.

Disconnecting

NOTICE

Or Punch a Hole for the Faucet in

a Stainless Steel Sink

If mounting faucet to a Stainless Steel Sink you will need a 1¼"

Hole Punch. The faucet opening should be centered between the

back splash and the edge of the sink, ideally on the same side as

the vertical drain pipe.

Step 1 - Drill a 1¼" pilot

hole. Use a 1¼"

Hole Punch and an

adjustable wrench

to punch the hole in

the sink.

Step 2 - The Faucet can

now be installed

Page 7

Step 1 - Remove water connector nut (Item 13) and blue

tubing (Item 14) from faucet.(Leave the plastic tube

insert and plastic delrin sleeve (Item 11 and 12) on

the blue tube).

Step 2 - Feed both the red (Item 3) and black tubing (Item 2)

through the pre-drilled hole in the sink/counter until

faucet is seated.

Step 3 - Under the sink - on to the threaded faucet stem (in

order ) first slide on the slotted metal washer (Item 6),

the plastic sleeve (Item 7) with the open end UP, the

plain washer (Item 8), the hex nut washer (Item 9) and

lastly secure with hex nut (Item 10).

Step 4 - Make sure the plastic delrin sleeve (Item 12) is on

the end of the blue tube; push the white plastic tube

insert (Item 11) into the end of blue tubing with the

delrin sleeve. Insert the blue tube (Item 14) into the

faucet stem and secure with water connector nut

with wrench (Item 13).

NOTICE

Secure the nut with a wrench but do not over tighten it.

Faucet Installation

STEP 2

Step A – Remove nut (Item 13) and blue tubing (Item 14) from fau-

cet. (Leave the nut and plastic delrin sleeve (Item 11 & 12)

on the blue tube).

Step B – Feed both the red and black tubing through the pre-drilled

hole in the sink/counter until faucet is seated.

Step C – Under the sink - on to the threaded faucet stem in order

ﬁrst slide on the slotted washer (Item 6), the white spacer

with the open end UP (Item 7), the hex nut washer (Item 8),

the slotted washer (Item 9) and lastly secure with nut (Item

10).

Step D – Make sure the plastic delrin sleeve (Item 12) is on the end

of the blue tube; push the white plastic insert (Item 11) into

the end of blue tubing with the delrin sleeve. Insert the blue

tube (Item 14) into the faucet stem and secure with nut

(Item 13).

DO NOT overtighten nut.

1. Faucet

2. Black Drain Tube (3/8” Black)

3. Red Tube 1/4”

4. Escutcheon Plate

5. Full Circle Rubber Gasket

6. Slotted Metal Washer

7. Plastic Sleeve

8. Plain Washer

9. Hex Nut Washer

10. Hex Nut

11. Plastic Tube Insert

12. White Plastic Delrin Sleeve

13. Water Connector Nut

14. Blue Tube 1/4”

Parts List

NOTICE

Parts List

Item Description

1Faucet

2Black Drain Tube (3⁄8" Black)

3Red Tube ¼"

4Escutcheon Plate

5Full Circle Rubber Gasket

6Slotted Metal Washer

7Plastic Sleeve

8Plain Washer

9Hex Nut Washer

10 Hex Nut

11 Plastic Tube Insert

12 White Plastic Delrin Sleeve

13 Water Connector Nut

14 Blue Tube ¼"

Page 8

If you have a garbage disposal, do not install the drain saddle near

it. Installation of the drain saddle must be either above the garbage

disposal, or if a second sink drain is available, install it above the

cross bar on the second drain. Installation of the drain saddle near

a garbage disposal may cause the drain line to plug.

Drain Saddle fits standard 1¼" – 1½" drain pipes

Drain Saddle Installation

CAUTION

1 Semicircle bracket with opening 2 Screws

1 Foam gasket 2 Nuts for screws

1 Semicircle bracket

Step 1 - Gather the pieces of the drain saddle

Step 1 - Turn off the cold water supply to the faucet by turning

the angle stop valve completely off.

Step 2 - Open cold water sink faucet to relieve pressure.

Step 3 - Disconnect the Faucet Line from the Cold water

supply.

Step 4 - Choose the configuration that fits your plumbing

needs and attach Adapt-a-ValveTM as instructed and

illustrated below.

Option 1: 3⁄8" Configuration (diagram to left)

a. Insert the White Rubber Washer (C) into the opening of Brass

Adapter with no washer (D)

b. Attach the female end of the Brass Adapter / White rubber

washer assembly (C&D) into the male end of the cold water

supply

c. Attach the female end of the plastic Adapt-a-Valve and

Black Collet (B) to the Brass Adapter/White Rubber Washer

Assembly (C&D)

d. Attach the female end of the Brass Adapter (A) to the male

end of the Plastic Adapt-a-Valve and black Collet (B)

e. Attach the faucet line to the Brass adapter (A)

Option 2: ½" Configuration (diagram to left)

a. Attach the Male end of Adapt-a-Valve and Black Collet (B) into

the Female end of the cold water supply

b. Attach the Male End of the Faucet Connection into the Female

end of the Adapt-a-Valve and Black Collet (B)

Parts List for Adapt-a-Valve

Item Description

ABrass Adapter with black washer

BPlastic Adapt-a-Valve and black collet

CWhite Rubber Washer

DBrass Adapter with no washer

NOTICE

Adapt-a-Valve Installation

Water supply line to the system must be from the cold water supply

line only. Hot water will severely damage your system.

Make sure that the black collet is installed into the ¼" opening on

the Adapt-a-Valve. Don’t forget to install the white compression

washer with the 3⁄8" configuration. The Brass Adapters do not need

to be tightened with a wrench, only finger tight.

Do not use PTFE thread seal tape with the Adapt-a-Valve™.

Line from

Cold Water

Supply

Faucet

Connection

Faucet Line

Cold

Water

Supply

Line from

Cold Water

Supply

Faucet

Connection

Faucet Line

Cold

Water

Supply

For ½" Configuration

(Option 2)

For 3⁄8" Configuration

(Option 1)

Page 9

Rear View of 3 stage Reverse

Osmosis System

Blue Tube Connection (From FAUCET To The

Reverse Osmosis (RO) Module)

Red Tube Connection (From FAUCET To The

Reverse Osmosis (RO) Module)

Do not over tighten the screws. It may crack the drain saddle.

CAUTION

Step 2 - The small square black

foam gasket with a circle

cut out of the middle

must be applied to the

inside of the drain saddle.

Remove sticky tape

backing and stick to the

drain saddle as shown.

Step 3 - The drain saddle must

be installed at least 1½"

above the nut of the P-Trap

elbow or cross bar from the

garbage disposal to insure

proper drainage. Using

the ¼" drill bit, drill into the

drain pipe at best available

location as specified above,

for drain saddle installation.

Take extreme caution to

only drill through one side of

the drain pipe.

Step 4 - Assemble the drain saddle around the drain pipe

and align drain saddle fitting opening with the hole

drilled in the previous step - you may use a small

screwdriver to feed through the drain saddle into the

drain pipe to aid with the alignment. Using a Phillips

screw driver tighten the drain saddle bolts evenly and

securely on both sides.

Step 5 - Measure the 3⁄8" black

tube from faucet to the

drain saddle on the drain

pipe and make a straight

cut to the correct length.

Step 6 - Connect the black tube to

the open quick connect

fitting on the drain saddle

by pushing the tube all the

way to the tube stop.

Step 1 - Locate the ¼" BLUE tube from the RO faucet.

Position the module as indicated in the “rear view”

picture. Insert the Blue Faucet tube into the ¼" quick

connect fitting (position A) located behind the GAC

Filter head making sure the tube is pushed in all the

way to the tube stop.

Step 1 - Locate the ¼" RED tube attached to the RO faucet.

Insert the end of the red tube into the ¼" quick

connect fitting attached to the red tubing that's

connected to the RO fitting (position B). Make sure

the tube is pushed in all the way to the tube stop.

NOTICE

The black 3⁄8" drain tube must be as SHORT and STRAIGHT as

possible to the drain saddle, making a downward slope from faucet

to drain saddle to allow for proper drainage. This is a gravity fed

line and if there is any bend or dip in the tube, the rinse water will

not flow into the drain properly. Water may back up and come out

the air gap hole in the back of the faucet.

NOTICE

The Flow Restrictor is installed inside

of the red tube at the bent end. DO NOT

DISCONNECT OR CUT THE RED TUBING NEAR

THE BENT END AS IT WILL DAMAGE THE

FLOW RESTRICTOR.

CARBON BLOCK

H2O-F12

RO MEMBRANE

H2O-F16

GAC

H2O-F17

MOUNTING HOLES

GREEN TUBE-FEED

BLUE TUBE-TANK

RED TUBE-DRAIN

BLUE TUBE-FAUCET

Red Tube

Connection

Page 10

Step 1 - Turn on the incoming

cold water at the angle

stop valve and the

Adapt-a-Valve. Check

the system for leaks

and tighten any fittings

as necessary. (Check

frequently over the next 24 hours to ensure no leaks

are present).

Step 2 - 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 3 -

Close the RO faucet allowing the storage tank to fill with

water. It may take 3 to 6 hours to fill the tank completely

depending on the production capability of the

membrane, local water temperature and water pressure.

You will know that the water tank is filled when you no

longer hear the water flow sound from the tank.

Green Tube Connection

Step 1 - Insert the open end

of the green ¼" tube

from AUTO-SHUT OFF

VALVE into the Black

Collet of the Adapt-

a-Valve making sure

the tube is pushed in

all the way to the tube

stop. See Diagram on

the right

Reverse Osmosis Module Mounting

Step 1 - Determine best

location for the RO

module to be mounted

to allow for future

system maintenance.

Recommended best

location is 6" away

from the cabinet side

walls, and 10" from the

bottom of the cabinet for ease of installation and filter

change. The parts bag has 2 self tapping screws.

Using an electric drill with a Phillips bit, secure the

screws to the cabinet wall at locations that align with

the hole spacing on the module bracket.

Tank Ball Valve Installation

Step 1 - PTFE thread seal tape

must be applied in a

clockwise direction.

Wrap (7 to 12 turns)

around the male pipe

threads (MPT) on the

stainless steel fitting on

top of the tank.

Step 2 - Thread the

compression tank

ball valve (supplied in

the parts bag) onto

the stainless steel

connector on the tank.

NOTICE

Set the blue Tank valve knob in-line with the blue tube, this is the

“open” position.

If you have connected your RO system to a refrigerator / ice maker,

make sure the ice maker is off (do not allow water to flow to the

ice maker) until flushing (Step 4) is complete and the tank has

been allowed to fill completely. Connection from the RO to the ice

maker system should have an in-line valve installed before the ice

maker so it can easily be closed to prevent water flowing to the ice

maker during start up and periodic maintenance. Your storage tank

must be allowed to fill up fully in order for the ice maker system to

work properly.

Green Tube

Adapt-a-Valve

Start up Instructions

Congratulations! You have completed the

installation of your new water filtration system.

Please Follow the Startup Instructions.

Step 4 - After the storage tank has filled open the RO Faucet

to flush the tank completely. You will know that the

tank is empty when the flow rate from the RO faucet

is down to a trickle. Repeat this step two more times.

The fourth tank can be used for drinking.

The flushing process should take about a day to complete.

Blue Tube Connection (From The Tank to

Shut off Valve and from Shut off Valve to the

Reverse Osmosis Module)

Step 1 - Position tank in desired location. Stand it upright

or lay it on its side (using the black plastic stand).

Measure the blue tube (marked “TANK”) from the

RO module to the tank and cut it to length leaving a

straight, square edge.

Step 2 - To the Blue tank tube (from position C) apply the

compression fitting to the cut edge side of the

tube. Make sure the

compression fitting

threaded opening is

facing the cut end of

the tube as shown in

the figure.

Step 3 - Insert the square edge

cut end of the blue

tube into the Tank

Valve opening. Using

clockwise rotation,

tighten the compression

fitting to the Tank Valve securing the tube in place.

See Diagram to right.

Page 11

NOTICE

Flushing of the tank 3 times is only necessary during the initial

startup and after replacing the reverse osmosis membrane.

Flush first tank after completing the annual maintenance.

Step 1 - Place a towel under the RO module to catch any

excess water that may drip out from the filters during

the changeover.

Step 2 - To remove a filter cartridge: Push and hold the

button on the valve head above the filter. Twist filter

counter-clockwise for about 45 degree while pulling

downward (from the head). Release button and

discard old filter.

Step 3 - To install a filter cartridge: Remove the seal cap and

insert the cartridge into the filter head, push upward

and twist the filter clock-wise for about 45 degree

until you hear an audible “click” (the button does not

need to be pressed to install new filters)

Changing The Filter Cartridges

Your RO module is equipped with valve heads which will

automatically turn off the water supply to each filter when the

filter is released, thus you do not need to turn off the incoming

water supply at the Adapt-a-Valve. The RO faucet must be

off when filters are replaced. To make the removal of the filter

cartridges easier, the heads and cartridges may be swiveled up

to 90 degrees as shown in the pictures to the right.

To buy replacement part(s) please visit the retail store or their

website or contact Watts retail customer service at

(888) 321-0500

This reverse osmosis system contains a replaceable component

(the RO membrane) which is critical to the efficiency of the system.

Replacement of this reverse osmosis membrane should be with

H2O-F16 as defined by Pure H2O to assure the same efficiency

and contaminant reduction performance.

Annual Maintenance -

(Sanitization Recommended See page - 12)

• Carbon Block Filter............H2O-F12 (P/N # 88005217)

Capacity- 6 months / 2000 Gallons

• Granular Activated Carbon Filter...H2O-H17 (P/N # 88005219)

Capacity- 12 months / 2000 Gallons

• Carbon Block Filter............H2O-F12 (PN # 88005217)

Capacity- 6 months / 2000 Gallons

• Reverse Osmosis Membrane Filter...H2O-F16 (P/N 88005218)

Capacity- 2-5 years

Replace:Replace:

Replace:

6 Month System Maintenance

TIP: This is a good time to check the air pressure in your storage

tank. For instructions please see page 13.

Membrane Replacement (2 - 5 Years)

Membranes have a life expectancy between 2 and 5 years,

depending on the incoming water conditions and the amount the RO

system is used. This reverse osmosis membrane is critical for effective

reduction of total dissolved solids (TDS). The product 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 notice a reduction in

water production or an unpleasant taste in the reverse osmosis water,

it could be time to replace the membrane. Pure H2O recommends

replacing the membrane when TDS reduction falls below 75%.

A water sample may be sent to Pure H2O for a free diagnosis of

your membranes performance. To send a water sample, use 2 clean

containers and fill ½ cup of tap water in one container and 1/2 cup

of RO water in 2nd container. Clearly label each sample. Send the

samples to the address listed on the cover of this manual attention

“Water Samples”. Pure H2O will test the water and mail or call you

with the results.

Step 3-1

Step 3-3

Step 2

Step 3-2

Product Registration

To Register your product, please visit www.watts.com/pureh2o

and select “Register Now”. Watts is concerned for the safety of

your personal information. Watts collects personal information

when you register with Watts. This information is stored in our

data base and we do not rent, sell, or share personal information

with other people or nonaffiliated companies. We will send you

certain types of communications such as direct mail, email, or

by telephone relating to our products or products that you have

purchased only with your prior permission. We limit access to

your personal information to those employees who will directly

provide you with services or products in order to do their jobs.

See our privacy policy at - http://www.watts.com/privacy.asp

See Terms of Use at - http://www.watts.com/terms.asp

Tubing not shown in above pictures. Do not remove the tubing

while changing the filter. Photographs for reference purposes

only. Your system may contain 1, 2, or 3 filter cartridges.

NOTICE

Page 12

Point Hose

Ends Away

From Face

Dosing Syringe

With No Needle

NOTICE

Do not change your Granular Activated Carbon filter until the

sanitization has been completed. The Carbon Block and Reverse

Osmosis Membrane can be changed before the sanitization.

If you have connected your RO system to a refrigerator/ice maker,

make sure the connection has been turned off. Do not re-open the

connection until the sanitization process is complete.

Step 1 - Turn off the water supply to your RO system at the

Adapt-a-Valve and open the RO faucet to drain the

storage tank.

Step 2 - Locate the tube that runs between your filter module

and the storage tank and disconnect at both ends.

Step 3 - Drain any remaining water in the tube.

Step 4 - Hold both ends of the tube together with the ends

pointed away from your face. Using a dosing syringe

(see figure) slowly insert 1 teaspoon (5 mL) of

common household bleach into the tube.

Step 5 - While covering one end of the tube with your finger,

insert the other into the tank. Then insert the open

end into the filter module.

Step 6 - Turn the incoming water back on and let the system

fill for approximately 3 to 6 hours.

Step 7 - Turn off the incoming water and let the system sit for

1 minute.

Step 8 - Drain the system completely and then follow the

startup procedure - filling then draining three full

tanks of water.

Step 9 - Replace the Granular Activated Carbon filter once

complete.

Annual Sanitization

Do not use needle syringe

WARNING

DANGER

IF BLEACH GETS IN EYES: Hold eye open and rinse

slowly and gently with water for 15 - 20 minutes.

Remove contact lenses if present, after the first 5

minutes, then continue rinsing eye. Call a poison

control center or doctor for treatment advice.

!WARNING

Page 13

To Restart System:

Step 1 - Install the filters as shown in the 'Changing The Filter

Cartridges' section on page 11.

Step 2 - Turn on water supply to the system at the Adapt-a-

Valve. (Check frequently over the next 24 hours to

ensure no leaks are present).

Step 3 - Open the RO faucet and leave it open until water

begins to trickle out (it will come out slowly).

Step 4 - Close the RO faucet allowing the storage tank to fill

with water. It may take 3 to 6 hours to fill the tank

completely depending on the production capability

of the membrane, local water temperature and water

pressure.

Step 5 - After the Tank has filled, open the RO Faucet to flush

the tank completely. You will know that the tank

is empty when the flow rate from the RO faucet is

down to a trickle. The second tank can be used for

drinking.

NOTICE

Check air pressure only when tank is empty of water!

DO NOT FREEZE.

If you have connected your RO system to a refrigerator / ice maker,

make sure the ice maker is off (do not allow water to flow to the ice

maker) until the tank has been allowed to completely fill.

Step 1 - Turn off the incoming

water supply to the

RO.

Step 2 - Open the RO Faucet

and allow water to

drain from the tank

until it is completely

empty.

TIP:

When water from the RO faucet slows to a trickle, with the faucet still

in the open position, you may add air to the tank to purge any left

over water, this will ensure that the tank is completely empty.

Step 3 - Once all water in 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)

Step 4 - Follow startup procedure on page 10.

Check air pressure in the storage tank when you notice a

decrease in available water from the RO system. Air can

be added with a bicycle pump using the schrader valve

that is located on the lower side of the tank behind the

blue plastic cap.

Turn off the water supply to your RO system at the Adapt-a-

Valve and open the RO faucet to drain the storage tank. Once

the storage tank is empty, remove all filter cartridges as shown

in the 'Changing The Filter Cartridges' section on page 11 (order

not important), place them into a sealed plastic bag and store in

your refrigerator.

Check Air Pressure in the Tank Procedure for Extended Non-Use

(More than 2 months)

Page 14

Performance Data Sheet

Pure H2O

-In U.S.-Watts Regulator Co., N. Andover, MA 01845 (Watts.com)

-In Canada-Watts, Water Technologies (Canada), Inc. Burlington, ON L7L 5H7 (Watts.ca)

3-Stage Reverse Osmosis System - H2O-DWRO300

Recommended Replacement Parts and Change Interval

Note: Depending on incoming feed water conditions replacement time frame may vary.

Description Model / Part Number Change Time Frame

Carbon Block Filter H2O-F12 / 88005217 6 Months or 2000 Gallons

Reverse Osmosis

Membrane H2O-F16 / 88005218 2 to 5 years

Granular Activated Carbon

Filter H2O-F17 / 88005219 12 Months or 2000 Gallons

Avg. In. (mg/L) Avg. Eff. (mg/L) % Reduction pH Pressure Max Eff. mg/L Inf. challenge

concentration mg/L

Max Allowable

concentration mg/L

Arsenic (Pentavalent) 0.30 0.004 98.8% 7.77 50psi 0.009 0.30±10% 0.010 mg/L

Barium Reduction 9.7 0.19 98.0% 7.21 50psi 0.27 10.0±10% 2.0

Cadmium Reduction 0.03 0.0013 95.7% 7.61 50psi 0.0008 0.03±10% 0005

Chlorine 2.05 0.03 97% 7.0 - 8.0 N/A 2.4 2.0 mg/L ± 10% 2.2

Chromium (Hexavalent 0.29 0.002 95.8% 7.77 50psi 0.002 0.03±10% 0.1

Chromium (Trivalent) 0.33 0.004 98.9% 7.21 50psi 0.004 0.03±10% 0.1

Copper Reduction 3.1 0.0056 96.3% 7.61 50psi 0.062 3.0±10% 1.3

Cysts 92,000/ml 3/ml 99.97% 7.44 50psi 18 minimum 50,000/mL N/A

Fluoride Reduction 8.5 0.3 96.5% 7.24 50psi 0.3 8.0±10% 1.5

Lead Reduction 0.15 0.002 98.8% 7.39 50psi 0.005 0.15±10% 0.0107

Radium 226/228 25pCi/L 5pCi/L 98.0% 7.21 50psi 5pCi/L 25pCiL±10% 5pCiL

Selenium 0.11 <0.001 >99.1% 7.37 50psi <0.001 0.10±10% 0.05

TDS 727 13.7 98.1% 7.28 50psi 19.9 750±40mg/L 187

Turbidity 11 <0.1 NTU 99.1% 7.67 50psi <0.1 NTU 11±1mg/L 0.5NTU

Recovery - 24.7% Production Rate - 23.4 GPD Efficiency - 12.7%

GENERAL USE CONDITIONS

1. System to be used with municipal or well water sources

treated and tested on regular basis to insure bacteriological

safe quality. DO NOT use with water that is microbiologically

unsafe or unknown quality without adequate disinfection

before and after the system. Systems certified for cyst

reduction may be used on disinfected water that may contain

filterable cysts.

2. Operating Temperature: Maximum: 100°F (37.7°C) Minimum

40°F (4.4°C)

3. Operating Water Pressure: Maximum 100-psi (690 kPa)

Minimum: 35 psi (341 kPa)

4. Rated service flow: 0.5 GPM

5. pH 2 to 11

6. Maximum Iron present in incoming water supply must be less

than 0.2 ppm.

7. Hardness of more than 10 grains per gallon (170 ppm) may

reduce RO membrane life expectancy.

8. Recommend TDS (Total Dissolved Solids) not to exceed

1800 ppm.

This system has been tested according to NSF/ANSI 58 for reduction of the substances listed below. The concentration of the indicated

substances in water entering the system was reduced to a concentration less than or equal to the permissible limit for water leaving the

system as specified in NSF/ANSI 58 and 42. This system has been tested for the treatment of water containing pentavalent arsenic (also

known as As (V), As (+5), or arsenate) at concentrations of 0.30 mg/L or less. This system reduces pentavalent arsenic, but may not

remove other forms of arsenic. This system is to be used on water supplies containing a detectable free chlorine residual at the system

inlet or on water supplies that have been demonstrated to contain only pentavalent arsenic. Treatment with chloramine (combined

chlorine) is not sufficient to ensure complete conversion of trivalent arsenic to pentavalent arsenic, Please see the Arsenic Facts section

of the Performance Data Sheet for further information.

While testing was performed under standard laboratory conditions, actual performance may vary. Depending on water chemistry, water

temperature, and water pressure the systems production and performance will vary. Efficiency rating means the percentage of the

influent water to the system that is available to the user as reverse osmosis treated water under operating conditions that approximate

typical daily usage. Recovery rating means the percentage of the influent water to the membrane portion of the system that is available

to the user as reverse osmosis treated water when the system is operated without a storage tank or when the storage tank is bypassed.

There is an average of 4 gallons of reject water for every 1 gallon of product water produced.

Page 15

Troubleshooting

Arsenic Fact Sheet

Problem Cause Solution

Low/Slow Production Low Water Pressure Assure a minimum of 35 psi incoming water pressure. Watts sells a booster pump if

home water pressure is low. Make sure water supply is turned on and feed water valve

is all the way open.

Crimps in tubing Check tubing and straighten or replace as necessary.

Clogged Carbon Block Filter Replace Carbon Block Filter.

Fouled Reverse Osmosis Membrane Replace membrane.

Milky colored Water Air in system Air in the system is a normal occurrence with initial start up of the RO system. This milky

look will disappear during normal use within 1-2 weeks. If condition reoccurs after filter

change, drain tank 1 to 2 times.

Water constantly running, unit will not

shut off

Low water pressure See #1 Above

Crimp in supply tube Check tubing and straighten or repair as necessary

High water pressure Check incoming water pressure to make sure it does not exceed 100 psi. A pressure

regulator will be required (not included with the system).

High pressure in Tank Empty storage 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 13.

Water from faucet vent hole or noise

from drain

Crimp or restriction in drain line Check tubing and straighten or repair as necessary. Straighten all drain lines. Clear

blockage. Cut off any excess tubing from the drain line and reinstall the drain line per

the instructions. Check for leaks

Drain tube clogged Caused from dishwasher or garbage disposal. Disconnect the 3⁄8" black line at the

drain, clean the 3⁄8" black line out with a wire, then reconnect. Check for leaks. blowing

air through the line will not always remove the clog.

Small amount of water in storage tank System starting up Normally it takes 3 hours to fill tank. Note: low incoming water pressure and/or

temperature can drastically reduce production rate.

Low water pressure See #1 above.

Too much air in tank Tank air pressure should be 5-7 psi when empty of water. If below 5 psi add air or bleed

if above 7 psi. Check only when tank is empty of water. See previous page.

Low water flow from faucet Check air pressure in tank Use a Digital Air Gauge for best results. The empty tank pressure should be 5-7 psi.

See page 13.

Arsenic (As) is a naturally occurring contaminant found in many ground waters. Arsenic in water has no color, taste or odor. It must be

measured by an arsenic test kit or lab test.

Public water utilities must have their water tested for arsenic. You can obtain the results from your water utility contained within your

consumer confidence report. If you have your own well, you will need to have the water evaluated. The local health department or the

state environmental health agency can provide a list of test kits or certified labs.

There are two forms of arsenic: pentavalent arsenic (also called As (V), As (+5)) and trivalent arsenic (also called As (III), As (+3)). In well

water, arsenic may be pentavalent, trivalent, or a combination of both. Although both forms of arsenic are potentially hazardous to your

health, trivalent arsenic is considered more harmful than pentavalent arsenic.

RO systems are very effective at removing pentavalent arsenic. A free chlorine residual will rapidly convert trivalent arsenic to pentavalent

arsenic. Other water treatment chemicals such as ozone and potassium permanganate will also change trivalent arsenic to pentavalent

arsenic. A combined chlorine residual (also called chloramine) where it does convert trivalent arsenic to pentavalent arsenic, may not

convert all the trivalent arsenic in to pentavalent arsenic. If you get your water from a public water utility, contact the utility to find out if

free chlorine or combined chlorine is used in the water system.

This Pure H2O reverse osmosis system is designed to remove up to 98% of pentavalent arsenic. It will not convert trivalent arsenic to

pentavalent arsenic. Under laboratory standard testing conditions, this system reduced 0.30 mg/L (ppm) pentavalent arsenic to under

0.010 mg/L (ppm) (the USEPA standard for drinking water). Actual performance of the system may vary depending on specific water

quality conditions at the consumer’s installation. In addition to the independent laboratory standard testing conditions Pure H2O has

conducted additional field testing on our reverse osmosis units to determine trivalent arsenic reduction capabilities. Based upon Pure

H2O field testing, it has been determined that the RO units are capable of reducing up to 67% of trivalent arsenic from the drinking

water.

This reverse osmosis system contains a replaceable component critical to the efficiency of the system. Replacement of the reverse

osmosis component should be with one of identical specifications, as defined by the manufacturer, to ensure the same efficiency and

contaminant reduction performance. Specific component identification and ordering information can be found in the maintenance

section of this manual, by phone at (888) 321-0500.

Page 16

Service Record

Date of Purchase:__________ Date of Install:___________ Installed by:_____________

NOTES:

Model Number:__________ Serial Number:___________

Date Carbon Block Filter

H2O-F12

(6 months)

Reverse Osmosis Membrane

H2O-F16

(2-5 years)

Granular Activated Carbon Filter

H2O-F17

(12 months)

Page 17

Limited Warranty

What Your Warranty Covers:

Watts warrants your H2O-DWRO300 (excluding replaceable filters) to be free from defects in material and workmanship under normal

usage for a period of one year from the date of original purchase. If any part of this system is found to be defective within the warranty

period, return the system after obtaining a return authorization from Watts (see below), and Watts will repair, or at Watts’ option, replace

the system at no charge.

How to Obtain Warranty Service:

To obtain warranty service, call 888-321-0500 for a return authorization number. Then, ship your system to our factory, freight and

insurance prepaid, with proof of the date of original purchase. Please include a note stating the warranty problem. Watts will repair, or

at Watts’ option, replace the system and ship it back to you at no charge.

What this Warranty Does Not Cover:

This warranty does not cover defects resulting from improper installation (installation contrary to Watts printed instructions), abuse,

misuse, misapplication, improper maintenance, neglect, alteration, accidents, casualties, fire, flood, freezing, environmental factors,

water pressure spikes, adverse water conditions or other events or conditions beyond Watts’ control.

This warranty will be void if defects occur due to failure to observe the following conditions:

1. The system must be hooked up to a potable municipal or well cold water supply.

2. The pH of the water must not be lower than 2 or higher than 11.

3. The incoming water pressure must be between 35 and 100 pounds per square inch.

4. Incoming water to the system cannot exceed 100 degrees F (38 degrees C.)

5. The hardness of the water should not exceed 10 grains per gallon, or 170 ppm.

6. Maximum incoming iron must be less than 0.2 ppm.

7. Incoming TDS/Total Dissolved Solids not to exceed 1800 ppm. This warranty does not cover any equipment that is relocated from

the site of its original installation.

This warranty does not cover any charges incurred due to professional installation.

Other Conditions:

If Watts chooses to replace the system, Watts may replace it with reconditioned equipment. Parts used in repairing or replacing the

system will be warranted for 90 days from the date the system is returned to you or for the remainder of the system’s original warranty

period, whichever is longer. This warranty is not assignable or transferable.

Limitations and Exclusions:

THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY WATTS WITH RESPECT TO

THE SYSTEM. WATTS MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED. WATTS HEREBY SPECIFICALLY DISCLAIMS

ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS

FOR A PARTICULAR PURPOSE. The warranty remedy described above shall constitute the sole and exclusive remedy for breach of

warranty, and Watts shall not be responsible for an incidental or consequential damages, including travel expense, telephone charges,

loss of revenue or profits, loss of time, inconvenience, loss of use of the equipment, or loss or damage caused by this system and its

failure to function properly. This warranty sets forth all of Watts responsibilities regarding this system.

Your Rights Under State Law:

Some states do not allow the exclusion or limitation of incidental or consequential damages and some states do not allow limitations

on how long implied warranties may last. Therefore, the above limitations or exclusions may not apply to you. This warranty gives

you specific legal rights and you may also have other rights, which vary from state to state. SO FAR AS IS CONSISTENT WITH

APPLICABLE STATE LAW, ANY IMPLIED WARRANTIES THAT MAY NOT BE DISCLAIMED, INCLUDING IMPLIED WARRANTIES OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF

ORIGINAL PURCHASE.

USA: T: (888) 321-0500 • Watts.com

Canada: T: (905) 332-4090 • Watts.ca

Latin America: T: (52) 55-4122-0138 • Watts.com

Consulte la garantía adjunta para conocer los

parámetros de funcionamiento a ﬁn de garantizar que

se utilice correctamente con el suministro de agua.

Manual de instalación,

funcionamiento

y mantenimiento

Sistemas de ósmosis inversa

de 3 etapas

Modelo: H2O-DWRO300

con reemplazo de ﬁltro activado por botón

Sistema probado y certificado por la WQA

según las normas NSF/ANSI 42, 58 y NSF/

ANSI/CAN 372 para el cumplimiento de la

ausencia de plomo. Para ver las afirmaciones

específicas de rendimiento y reducción

verificadas y corroboradas mediante

datosde prueba, consulte la hoja de datos

derendimiento.

N.º de pieza: 88005233

ADVERTENCIA

Lea atentamente antes de realizar la instalación. Si

no sigue las instrucciones incluidas o no respeta

los parámetros de funcionamiento, es posible que

el producto no funcione bien.

Conserve este manual para consultarlo en el futuro.

PIENSE

PRIMERO EN

LA SEGURIDAD

Page 20

Resumen

Gracias por comprar este sistema de tratamiento de agua por

ósmosis inversa (OI) de Pure H2O de última generación. La

calidad del agua es una preocupación cada vez más presente

entre el público general. Es posible que haya oído hablar

sobre la presencia de contaminantes como arsénico, cromo

y Cryptosporidium o Giardia en el agua potable. También es

posible que existan otros problemas locales en el agua, como

altos niveles de plomo y cobre. El sistema de tratamiento de

Pure H2O está diseñado y probado para ofrecer agua potable

de alta calidad por muchos años. La siguiente es una breve

descripción general del sistema.

Sistema de ósmosis inversa:

La ósmosis es el proceso por el cual el agua atraviesa una

membrana semipermeable para equilibrar la concentración de

contaminantes a ambos lados de la membrana. Una membrana

semipermeable es una barrera que permite el paso de

determinadas sustancias, como el agua potable limpia, pero no

de otras, como arsénico y plomo.

La ósmosis inversa emplea una membrana semipermeable.

Sin embargo, mediante la aplicación de presión sobre toda

la membrana, concentra los contaminantes de un lado de la

membrana (como un colador) y el agua cristalina del otro. Por

este motivo, los sistemas de OI producen agua potable limpia y

agua residual que se expulsa del sistema. El sistema de ósmosis

inversa también emplea tecnología de filtro sólido de carbón y,

por lo tanto, puede ofrecer agua potable de calidad más alta

que los sistemas de filtrado con carbón por sí solos.

Usted ha comprado un sistema de ósmosis inversa de

3etapas basado en segmentos de tratamiento individuales

comprendidos en un sistema completo de filtrado de agua. Las

etapas son las siguientes:

ADVERTENCIA

No utilizar con agua microbiológicamente insegura o de

calidad desconocida sin una desinfección adecuada antes

odespués del sistema.

Si tiene dudas sobre la instalación del filtro de agua Watts,

comuníquese con un representante de Watts o consulte a un

plomero profesional

Descarte las piezas pequeñas que quedan después de la

instalación.

Si no se instala correctamente el sistema, se anula la garantía.

Manipule todos los componentes del sistema con cuidado. No deje

caer, no arrastre ni coloque boca abajo los componentes. Asegúrese

de que el piso debajo del sistema de filtración de agua esté limpio,

nivelado y tenga la solidez necesaria para soportar la unidad.

IMPORTANTE

PRECAUCIÓN

AVISO

Etapa 1 – Filtro de bloque de carbón. Se recomienda su

cambio cada 6meses.

La primera etapa contiene un filtro sólido de carbón de

5micrones. Este contribuye a garantizar que el cloro y

otras sustancias que causan mal sabor y olor se reduzcan

considerablemente. Es probado y verificado de manera

independiente para atrapar sustancias como polvo, cieno y

óxido.

Etapa 2 - Membrana de ósmosis inversa. Se recomienda

su cambio cada 2 a 5años.

La segunda etapa es el corazón del sistema de ósmosis

inversa, la membrana de OI de 50GPD (galones por día). Esta

membrana semipermeable remueve efectivamente los sólidos

disueltos totales y el sodio, así como una amplia gama de

contaminantes como cromo, arsénico, cobre, plomo y quistes

(por ejemplo, de Giardia y Cryptosporidium). El proceso de

obtención de esta agua potable de alta calidad lleva tiempo. Por

ese motivo, el sistema de tratamiento de agua por OI cuenta

con un tanque de almacenamiento.

Etapa 3: filtro de carbón activado granular, se recomienda

cambiarlo cada 12 meses.

La tercera etapa es un filtro de GAC (carbón activado

granular). Este filtro se utiliza después del tanque de

almacenamiento de agua, como filtro de pulido final del

agua del producto. Hay un promedio de 4 galones de agua

de rechazo por cada galón de agua producida. Por este

motivo, la vida útil del filtro GAC se extiende a 12 meses en

comparación con los 6 meses del bloque de carbón.

Nota: La vida útil de los filtros y de la membrana puede variar de

acuerdo con las condiciones del agua local y/o los patrones de

consumo.

Mantenimiento del sistema

Es importante cambiar los filtros según los intervalos

recomendados que se indican en este manual. Muchos

contaminantes no son detectables por el sabor. Además,

otros malos sabores y olores pueden hacerse evidente en el

transcurso del tiempo si no se reemplazan los filtros.

Es importante cambiar los filtros según los intervalos

recomendados que se indican en el manual del sistema. Al

cambiar los elementos filtrantes, preste especial atención a las

instrucciones de limpieza. Si tiene otras dudas, llame a nuestro

servicio de atención al cliente minorista al (888) 321-0500.

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