OWNER'S MANUAL
Heavy Duty Whole
House Water Filter
MODEL NO. 625.384480
Caution:
Read and follow all safety rules and operating
instructions before first use of this product.
• Warranty
• Installation
• How It Works
• Care Of
Questions ?
or call toll free 1-800-426-9345 (M - F, 7 AM - 8 PM CST)
• Specifications
• Repair Parts
Repair or Parts ? Call toll free 1-800-469-4663
See back cover for other Sears service numbers.
SAVE THIS MANUAL
Sears, Roebuck and Co., 3333 Beverly Road, Hoffman Estates, IL 60179 U.S.A.
Part No.7295232 (Rev. A 4/26/07)
Table of Contents
Unpack and Check Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Water Treatment Filter Cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Plan Your Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Typical Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-9
Filter Cartridge Life & Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Exploded View & Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Safety Guides
ꢀ Read this entire manual carefully before installing and ꢀ Keep solvents and sprays away from the clear sump
using your Heavy Duty Whole House Water Filter.
Follow all steps exactly to correctly install.
housing material. Surface cracking and failure can
result.
ꢀ Check with your local public works department for
plumbing and sanitation codes. You must follow
their guides as you install the system. Follow your
local codes if they differ with guides in this manual.
In Massachusetts, plumbing codes of Massachusetts
shall be adhered to. Consult with a licensed plumber.
ꢀ Do not install where pressure surges exceed 100 psi.
Install a pressure regulator before the filter if needed.
ꢀ Do not install outdoors in direct sunlight.
ꢀ Do not install where freezing may occur.
ꢀ Misapplication of clear housing voids your warranty.
ꢀ Maximum operating pressure: 100 psi.
ꢀ Maximum temperature: 100°F.
ꢀ It is important to properly seat the o-ring in the
groove of the sump housing, or a water leak could
occur.
ꢀ For cold water use only. Do not install on a hot water
line.
ꢀ Retighten the sump 7 days after replacing filter.
ꢀ Not to be used on water that is microbiologically
unsafe or of unknown quality without adequate disin-
fection before or after the system.
Questions? Call The Kenmore Water Line 1-800-426-9345 or visit KenmoreWater.com
3
Unpack and Check Your Carton
INSPECT SHIPMENT
Your Heavy Duty Whole House Water Filter is shipped
complete in one carton. Remove all items from your
shipping carton.
Check all items against the packing list below. Note any
items lost or damaged in shipment. Note any damage to
the shipping carton. Refer to the exploded view and
parts list in the back of the manual for the part names
and numbers of missing or damaged items. If problems
exist, refer to the website or the toll free number listed
throughout this manual.
Keep the small parts in the parts bag until you are ready
to install them.
NOTE: Codes in the state of Massachusetts require
installation by a licensed plumber.
If you live in the state of Massachusetts, review plumb-
ing code 248-CMR of the Commonwealth of
Massachusetts before proceeding with the installation.
Packing List
Bag Assembly
Mounting
Screws
Heavy Duty Whole House
Water Filter Assembly
Sump Wrench
Mounting Bracket
Questions? Call The Kenmore Water Line 1-800-426-9345 or visit KenmoreWater.com
4
Water Treatment Filter Cartridges
Filter cartridges to remove (1) sediments, (2) tastes and
TASTE & ODOR CARTRIDGES
Many bad tastes and/or odors are reduced from water
using an activated carbon cartridge. It is most often
used to remove chlorine taste and odor.
The Taste and Odor Cartridges available are for taste and
odor reduction, and sediment reduction.
odors, and (3) tastes, odors and sediments are available
for use in the Heavy Duty Whole House Water Filter.
Filter cartridges are not included with this water filter.
Your Sears store has a selection of the different types of
filter cartridges available.
SEDIMENT FILTER CARTRIDGES
Sediment cartridges remove sand, silt, clay, rust, dirt,
and other sediments from water. For example, a 30
micron cartridge filters larger sediments, and allows
higher flows at less pressure drop. A 5 micron cartridge
filters finer sediments from water, often to a single
faucet.
Plan Your Installation
INSTALLATION LOCATION
Filtering All House Water
To filter sediments or tastes and odors from all house
water, locate the Heavy Duty Water Filter on the main
water supply pipe (See Figure 1). You can also filter
water to one faucet. For example, install the filter under
the kitchen sink to filter the cold drinking water (See
Figure 2).
To Outside Faucets
City Water Supply
Pressure
Tank
Cold Water
OR
to House
Faucets &
Water Heater
Heavy Duty
Well Water Supply
Water Filter
Well
Pump
PLANNING YOUR INSTALLATION
When planning the installation, first read the preceding
filter cartridge information to determine where to locate
the water filter housing. Then, use the drawings on Page
6 as a guide. There are many variables to consider as
you plan. Some of these are:
Figure 1
Filtering Water to One Faucet
ꢀ The Heavy Duty Water Filter inlet and outlet internal
threads are 1" NPT
Kitchen Sink
ꢀ Existing plumbing type (copper, threaded, etc.) and
nominal size (1/2", 3/4", 1" etc.)
ꢀ Tools you have, and your plumbing skills
ꢀ Space available for installing the Heavy Duty Water
Filter
Heavy Duty
Make a simple sketch of your proposed installation, and
a list of plumbing materials you will need. Obtain
everything you need before starting the installation.
HOT COLD
Water Filter
Figure 2
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5
Typical Installations
A. INSTALLATION ON COPPER PLUMBING USING COMPRESSION FITTINGS
WATER
OUT
MATERIALS & TOOLS NEEDED
Optional
Shutoff Valve
Apply 4 wraps of
Teflon Tape
ꢀ 2 compression adaptors, 1” NPT x com-
pression end to fit existing copper pipe
ꢀ Teflon tape
ꢀ Tubing cutter
ꢀ Sandpaper or emery cloth
ꢀ 2 wrenches, either open end or adjustable
jaw, sized to fit compression adaptors
Optional
Shutoff
Valve
Nut
Brass
Ferrule
Compression
Adaptor
INLET
1” NPT
WATER
IN
NOTE: Be sure to allow a minimum space of 2” under the
filter for removing the sump (to change the cartridge).
Figure 3
B. SOLDERED COPPER INSTALLATION
D. UNDERSINK INSTALLATION
(Filtering Water to One Faucet)
WATER
WATER
OUT
IN
OUT
IN
SINK
Adaptor, 1” NPT
Optional
1” Copper
Pipe, as
required
x Sweat (Apply
4 wraps of
Shutoff
Valve (2)
IN
OUT
Teflon Tape)
Figure 4
See Note in Figure 3
COLD
Shutoff Valve
C. THREADED INSTALLATION
NOTE: To change the filter
cartridge, you must
turn off the water.
WATER
WATER
OUT
IN
OUT
IN
A nearby shutoff
NOTE: Be sure to allow
a minimum
valve is convenient.
Most sinks already
have shutoff valves
on the supply pipes.
space of 2” under
the filter for
removing the
1” Hex
Nipple
(2)
Union
Fitting
(2)
Optional
1”
Nipple
(2)
Shutoff
sump (to change
the cartridge).
Valve (2)
See Note in Figure 3
Figure 5
Figure 6
Questions? Call The Kenmore Water Line 1-800-426-9345 or visit KenmoreWater.com
6
Installation - Type A
A. WATER FILTER ON HOUSE MAIN WATER PIPE, TO FILTER ALL HOUSEHOLD WATER
USING COMPRESSION FITTINGS (See Figure 3 on Page 6)
INSTALLATION STEPS
D
1. Apply 4 wraps of Teflon tape to the threads of both
D = ________”
compression fittings.
2. Carefully turn the compression fittings into the water
filter head inlet and outlet and tighten. Do not cross-
thread and damage the threads. Do not overtighten
and crack the head.
Measure to shoulder
inside of fittings.
Copper pipe butts
against this shoulder.
3. Remove the nut and brass ferrule from both compres-
sion fittings and set aside. Using a tape measure or
ruler, measure the distance “D” as shown in Figure 7).
Mark this dimension at right so you do not forget.
Figure 7
4. IMPORTANT: Turn off the water supply to the main
pipe. Open a high and low faucet in the water system
to drain the pipe.
5. On the main water pipe, where you will install the fil-
ter, mark the dimension “D”. You will remove this
section of pipe. Before you begin to cut, double-check
your measurement.
6. Use a tubing cutter to remove the section of pipe.
Remove all burrs and rough edges with the sandpaper
or emery cloth.
Brass
Ferrule
Nut
Brass
Ferrule
Nut
Figure 8
7. Place a nut and brass ferrule from compression fittings
onto both pipe ends (See Figure 8).
Fitting
8. With the IN side of the water filter toward incoming
water, spread the pipes apart and fit both pipe ends
into the compression fittings. Move a ferrule and nut
up to the fitting (See Figure 9). Then, turn on and
tighten the nut. Hold the fitting with one wrench
while tightening the nut with the other. Repeat on the
other side.
9. Before turning on the water supply, remove the sump
from the filter head and install the filter cartridge (See
Page 10).
OUT
IN
Nut
Nut
Brass
Ferrule
WATER FLOW
Figure 9
GROUNDING INFORMATION:
Ground
Wire
The house cold water pipe is often used to ground elec-
trical outlets in the home. Grounding protects you from
electrical shock. Installing the water filter housing may
have broken this ground. To restore, buy and install a #4
copper wire across the filter, tightly clamped at both
ends, as shown in Figure 10.
Clamp
(2)
Figure 10
Questions? Call The Kenmore Water Line 1-800-426-9345 or visit KenmoreWater.com
7
Installation - Type B
B. WATER FILTER ON HOUSE MAIN WATER PIPE, TO FILTER ALL HOUSEHOLD WATER
USING SOLDERED COPPER FITTINGS (See Figure 4 on Page 6)
place the pipe end of the soldered assembly into the
straight connector. Then, turn the adaptor end into
the filter head and tighten.
MATERIALS AND TOOLS NEEDED:
You will need 2 sweat adaptors, 1" NPT x sweat (sweat
end to fit your main water pipe), lead-free solder and
flux, soldering torch, Teflon tape, sandpaper or emery
cloth, open end (to fit sweat adaptor) or adjustable jaw
wrench.
11. Solder both sides of the straight connector.
12. Before replacing the sump and turning on the water
supply, install the filter cartridge (See Page 10).
NOTE: Read the “Grounding Information” on Page 7,
and comply with the instructions if required to
maintain continuity.
INSTALLATION STEPS
CAUTION: Heat created when soldering can damage
the water filter’s plastic parts. Be sure to use the follow-
ing procedure to protect the water filter.
1. IMPORTANT: Turn off the water supply to the main
pipe. Open a high and low faucet in the water system
to drain the pipe.
2. On the main water pipe, where you will install the fil-
ter, use a tubing cutter to remove a section of pipe
about 12" long. Use sandpaper or emery cloth to thor-
oughly clean and remove all burrs and rough edges,
from both pipe ends.
Straight
Connector
Sweat
Adaptor
Figure 11
NOTE: When soldering, use lead-free solder and flux
only. Be sure pipe and fittings are properly
cleaned.
Apply
Teflon Tape
OUT
IN
3. Solder a sweat adaptor onto one of the pipe ends (See
Filter
Head
Figure 11).
4. Place, but do not solder, a straight connector onto the
other pipe end (See Figure 11).
Sweat
Adaptor
5. Remove the sump from the filter head and set the
sump aside.
WATER FLOW
6. After it cools, apply 4 wraps of Teflon tape to the
threads on the sweat adaptor fitting (See Figure 12).
Figure 12
7. With the IN side of the water filter toward incoming
water, carefully, turn the filter head onto the sweat
adaptor fitting (See Figure 12). Do not cross-thread, or
over-tighten and crack the filter head.
8. Turn a sweat adaptor fitting into the other side of the
filter head and hand tighten only. Using a tape meas-
ure or ruler, measure the distance “D” as shown in
Figure 13. Mark this same dimension on a length of
copper pipe. Cut the length of pipe.
D
D
9. Remove the sweat adaptor fitting from the filter head
and solder to the cut length of pipe.
10. After it cools, apply 4 wraps of Teflon tape to the
threads on the sweat adaptor fitting. Apply flux and
Figure 13
continued
Questions? Call The Kenmore Water Line 1-800-426-9345 or visit KenmoreWater.com
8
Installation - Type C
C. WATER FILTER ON HOUSE MAIN WATER PIPE, TO FILTER ALL HOUSEHOLD WATER
USING THREADED PIPE & FITTINGS (See Figure 5 on Page 6)
MATERIALS AND TOOLS NEEDED:
INSTALLATION NOTES
For threaded pipe installation, you will need a pipe
threading tool, pipe wrenches, pipe joint compound,
union fittings and pipe nipples. Connect the filter hous-
ing as typically shown in Figure 5 on Page 6.
ꢀ Use pipe joint compound on all external threads.
ꢀ Do not turn pipe or fittings too tightly into the filter
head or you may break it.
ꢀ It is important to have some linear movement in the
house main water pipe. This will allow you to tighten
union fittings without damaging the filter head, if
pipe lengths are not exact.
NOTE: Read the “Grounding Information” on Page 7,
and comply with the instructions if required to
maintain continuity.
Installation - Type D
D. WATER FILTER UNDERSINK, TO FILTER WATER TO ONE FAUCET
(See Figure 6 on Page 6)
INSTALLATION STEPS
1. Close the cold water side shutoff valve. Usually, there
already is a shutoff under the sink. If not, close the
main water shutoff valve near the water meter or pres-
sure tank.
4. Use the plumbing procedures on Page 7 if using com-
pression fittings. Follow procedures on Page 8 for
sweat copper and threaded pipe installation. Be sure
water flow is to the filter IN side, and from the OUT
side to the faucet.
2. Cut and remove a section of the cold water pipe.
NOTE: A grounding jumper wire is not required.
3. If you are plumbing with flexible tubing, hang or sup-
port the filter housing using the included mounting
bracket. If using rigid pipe, be sure to allow a mini-
mum of 2" clearance under the filter for sump removal
when changing the filter cartridge.
5. Before turning on the water supply, remove the sump
from the filter head and install the filter cartridge (See
Page 10).
Questions? Call The Kenmore Water Line 1-800-426-9345 or visit KenmoreWater.com
9
Filter Cartridge
ter hole in the cartridge with the protrusion on the
FILTER CARTRIDGE LIFE
bottom of the head.
Several variables determine how long a cartridge will
last. These include:
ꢀ How much water you use.
ꢀ How much sediment, taste and/or odor, or other
unwanted substance, is in the water.
NOTE: If the sump will not tighten up to the head, you
may have the cartridge in upside down or not
centered in the sump. Take the cartridge out and
check for correct orientation.
7. Being careful not to cross-thread, turn the sump to the
Use the following information as a guide. However, no
matter which type of cartridge you are using, you will
know it is time to replace it when you first notice the
return of the unwanted substance in your water. Filter
cartridges are available from your local Sears store and
The filter cartridges require replacement 3 or 4 times a
year when used for whole house filtering. Average car-
tridge life when filtering water to one faucet is 6 months
or more. This average time varies depending on the type
of cartridge and water conditions.
SEDIMENT CARTRIDGES: Filtering sediments, you
will know it's time to replace the cartridge when water
pressure drops at house faucets.
TASTE & ODOR CARTRIDGES: Filtering taste and
odor, you will know it's time to replace the cartridge
when the taste and odor returns. If the cartridge is also
for sediment removal, you could notice a pressure drop
before the return of taste and odor.
right onto the filter head and tighten securely.
8. Open the sink cold faucet. Then, slowly open the
water supply shutoff valve and allow the filter hous-
ing to fill. While it is filling, press the filter vent valve
to release air in the filter.
9. Close the sink faucet. Then, check for leaks between
the sump and the head.
NOTE: If a leak is occurring, turn off the water supply
and open the sink cold faucet to depressurize the
filter (or press the vent valve). Then, remove the
sump and check the o-ring for cuts, flat spots,
etc., and sealing surfaces for foreign material.
Clean the o-ring and lubricate with silicone
grease. Carefully press into the groove in the
sump.
10. Taste and Odor Cartridges: A taste and odor car-
tridge contains activated carbon, a black powder.
When new, open a filtered water faucet and allow
fine carbon particles to purge from the cartridge.
Close the faucet when you no longer see the “fines”
in the filtered water.
FILTER CARTRIDGE INSTALLATION/
REPLACEMENT
11. Retighten the sump 7 days after replacing filter.
CAUTION: Never remove the sump with water pressure
in the filter.
Vent Valve
1. Close the nearest shutoff valve on the water supply
pipe to the filter. To relieve pressure in the filter, press
the vent valve on top of the filter head (See Figure 14)
or open a cold water faucet after the filter. Some water
may leak out of the vent valve as pressure is being
relieved.
Head
Filter
Cartridge
2. Turn the sump to the left to remove from the head (See
Figure 14). Be careful, as the sump is full of water. Do
not lose the large o-ring seal.
O-ring Seal
3. Be sure the inside of the sump is clean. Thoroughly
wash with warm, soapy water and rinse.
4. Remove the wrapper from the new filter cartridge and
insert the filter cartridge into the sump. Some car-
tridges fit either way, while others fit only one way.
Observe markings on the cartridge, or on the wrapper.
Sump
5. Lightly lubricate the o-ring seal, in the sump, with sili-
cone grease. Be sure it is fully seated in the groove.
6. Hold the sump up to the filter head, aligning the cen-
Turn to the left
to remove
Figure 14
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10
Specifications
Supply water maximum pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 psi (689 kPa)
Supply water temperature limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40-100 °F (5-40 °C)
Inlet - Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1” NPT
Installations In The Commonwealth Of Massachusetts: The Commonwealth of Massachusetts requires instal-
lation be performed by a licensed plumber. Plumbing code 248-CMR of the Commonwealth of Massachusetts
must be followed in these cases.
Repair Parts
1
2
Key No.
1
Part No.
Description
7295240
42-34379
42-34378
7295232
O-ring
Filter Cartridge, Sediment ꢀ
Filter Cartridge, Taste & Odor ꢀ
Owner’s Manual
2
ꢁ
ꢀ Filter cartridges are not included. Purchase replacement filter cartridges at your local
ꢁ Not illustrated.
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11
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