3M Water System STM150 User Manual

INSTR4089 1006  
Owner’s Manual  
This manual is for the installation, operation, and maintenance of the  
ScaleGard PLUS 2  
Water Treatment Systems  
STM150  
TSR150  
Installer please leave manual with end user.  
 
Contents  
Installation Requirements  
Space Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Feedwater Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Water Production Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Installation Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Operating Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Additional Plumbing Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Installation Procedure  
Positioning Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Wall Mounting the Filter System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Feedwater Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Drain Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Automatic Bypass Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Storage Tank Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Point of Use Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Routine Maintenance  
De-pressurization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Sediment Prefilter Cartridge Replacement. . . . . . . . . . . . . . . . . . . . . . . . 7  
Chlorine Filter Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
TDS Reduction Filter Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Hardness Filter Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Ion Media Filter Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Restarting and Purging the RO System. . . . . . . . . . . . . . . . . . . . . . . . . . 8  
‘Push-In’ Tubing Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Electrical Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Installation Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
System Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
 
Important: Installation Requirements  
CAUTION  
To reduce the risk associated with property damage due to water  
leakage:  
Space  
Requirement  
• Installation must comply with existing state or local plumbing codes;  
Read and follow Use Instructions before installation and use of this  
system.  
11”  
(27.9 cm)  
Congratulations on your purchase of the CUNO Foodservice ScaleGard  
PLUS 2 water treatment system. The ScaleGard PLUS 2 systems utilize  
some of the world’s most advanced scale and corrosion control tech-  
nologies in a compact, highly efficient package.  
The ScaleGard PLUS 2 system is designed for food service equipment  
with low water draw such as steam kettles and tables, combis, electric  
and gas steamers, misters or other applications, where water consump-  
tion does not exceed 6 gph (22.7 lph) continuous. See estimated water  
production chart below.  
The ScaleGard PLUS 2 STM150 is recommended where a minimal  
TDS level is required for proper equipment operation. The ScaleGard  
PLUS 2 TSR150 is recommended for applications where zero hardness  
is required such as proofing ovens, flash steamers, injection steamers  
and misters.  
Before beginning the installation, take a few minutes to familiarize your-  
self with the system by reviewing the entire installation, operating and  
maintenance manual. It is also important to review the criteria below  
to make sure that the requirements have been or will be met when the  
installation is complete. Be sure to confirm that the feedwater falls within  
the limits shown below. If you’re not sure if this has been done, check  
with your distributor before installing the system. This is important  
because failures caused by water related problems are not covered  
under the system warranty.  
7 3/4”  
(19.7 cm)  
16 11/16”  
(42.4 cm)  
Installation must comply with state and local plumbing requirements.  
Feedwater Parameters:  
Feed TDS . . . . . . . . . . . . . . . .Up to 2000 ppm (mg/L)  
Hardness* . . . . . . . . . . . . . . . .< 10 grains (171 mg/L)  
Iron (Fe) . . . . . . . . . . . . . . . . . .< 0.1 mg/L  
Hydrogen Sulfide . . . . . . . . . . .none allowable  
Feed pH . . . . . . . . . . . . . . . . . .4-11  
Free chlorine . . . . . . . . . . . . . .< 2 mg/L  
Manganese(Mn) . . . . . . . . . . .< 0.05 mg/L  
Turbidity . . . . . . . . . . . . . . . . . .< 5 NTU  
* Note: For waters over 10 grain hard, a CUNO water softener is recommended  
for pretreatment. Consult CUNO technical services for correct sizing.  
Electrical Requirements:  
Confirm that transformer is compatible with available electrical power  
supply.  
ScaleGard Plus 2 - Estimated Water Production  
Feedwater Temperature (°F/°C)  
3
 
ScaleGardPLUS 2 Installation Schematic  
Service Shut  
Off Valve  
(Optional)  
Bypass Solenoid Valve Assy.  
To Service  
Manual Bypass  
(Optional)  
Inlet  
Valve  
RO Tank  
3/8" RO Water Line  
Supply  
Water  
RO System  
STM 150  
Bev Plus  
Check Valve  
TSR Systems  
Manual Tank  
Valve  
Drain  
Tank Drain/Sample Valve  
If your water analysis indicates that any of these parameters are not in  
range, additional pretreatment or higher frequency of maintenance may  
be required. Contact your distributor for assistance. The presence of  
silica or flocculants (e.g. alum or cationic polymers) in the feedwater  
can cause membrane fouling and may require special chemical pre-  
treatment or periodic membrane cleaning.  
Additional  
Plumbing  
Connections  
(not supplied)  
Operating Parameters:  
• Manual Bypass:  
A manual bypass loop is  
recommended to facilitate  
proper service of the filter  
system.  
Typical TDS Cartridge Rejection..... >95%  
Feed Temperature........................... 40-100°F (4-38°C)  
Feed Pressure................................. 20-65 psi (138-448 kPa)*  
Production.......................................... Chart on page 3 shows output in  
gallons per hour at varying water  
temperatures. Actual output may  
vary according to feedwater  
conditions and membrane variations.  
• Drain Line:  
A drain line is recommend-  
ed to depressurize the  
system during cartridge  
changeout, for sanitizing  
the system, and for drain-  
ing the tank. Note: 10, 20,  
and 40 gallon (38, 76, 151  
liter) tanks are capable of  
draining water in excess  
of 13 gpm (49 lpm). Drain  
connection must be sized  
accordingly.  
Note: For water temperature below 50°F (10°C) water can be  
preheated to improve production rate.  
• Pressure Gauge:  
A pressure gauge in the  
product water line is rec-  
ommended to determine  
the system’s performance  
and when the system is  
de-pressurized.  
CAUTION  
*To reduce the risk associated with property damage due to water  
leakage:  
Do not install on systems where line pressures above 65 psi (448  
kPa) may occur. Line water pressure in excess of 65 psi will re-  
quire installation of a pressure regulator prior to the unit.  
4
 
Installation Procedure  
CAUTION  
To reduce the risk associated with property damage due to water leakage:  
• Installation must comply with existing state or local plumbing codes;  
Read and follow Use Instructions before installation and use of this system.  
Positioning Equipment  
Prior to installing the ScaleGard PLUS 2 system, review the installation schematic (page 4) and carefully  
plan the installation location for all system components. Obtain all additional hardware for plumbing connec-  
tions. This will help provide proper positioning and improve serviceability during routine maintenance.  
1. Position the storage tank in desired location. (See storage tank installation procedure, page 6.)  
2. The ScaleGard PLUS 2 system should be installed within 15 ft (4.6 m) of the storage tank.  
3. The ScaleGard PLUS 2 system must be installed within 6 ft (1.8 m) of an electrical outlet. The bypass  
solenoid valve should be installed within 6 ft. (1.8 m) of the storage tank.  
4. All components should be accessible and have at least 6 inches (15 cm) of clearance on all sides of  
ScaleGard PLUS 2 system to facilitate servicing.  
5. Access to feedwater and drain connection are also required.  
Wall Mounting the Filter System  
The filter system weighs approximately 30 lbs. (13.6 kg) and must be mounted securely to a rigid surface.  
There are two additional mounting holes on both sides of the booster pump at the bottom of the bracket if  
needed. System must be installed vertically.  
1. Determine the desired mounting location and using the supplied template, mark mounting hole locations.  
2. Install the three mounting screws in the marked locations, leaving about an 1/8” (3.2 mm) from the wall.  
3. Remove the cartridges from the filter system by turning to the left 1/4 turn and pull down to remove.  
4. Lift the filter system and align the keyhole slots over the mounting screws. Tighten the screws, securing the  
filter system to the wall. Note: You may have to slide the permeate pump to the left to fully expose the  
right mounting hole.  
5. Install the cartridges. Note: Mate the head  
icon letter with the cartridge icon letter  
(S, C, M, T or H). The TDS filter (M) has  
a John Guest® fitting for reject water.  
Attach reject tubing to the fitting (as  
Permeate  
Pump  
shown in drawing below).  
6. Mount the transformer to the bracket with  
screws provided to the top right side of the  
bracket.  
Transformer  
Connection  
Feedwater Connection  
The feedwater supply line is 3/8” O.D. tubing  
and should not exceed 20 ft (6.1 m) from the  
main feedwater connection to the filter system.  
For longer distances, 1/2” pipe or larger should  
be brought to within 20 ft (6.1 m) of the system.  
TDS Filter M  
(RO Module)  
Reject  
Tube  
Important: Connect to an adequate water  
supply having a minimum 20 psi (138 kPa) and  
maximum 65 psi (448 kPa) pressure at the inlet  
of the filter system.  
CAUTION  
To reduce the risk associated with property  
damage due to water leakage:  
Plug  
Do not install on systems where line pressures  
above 65 psi (448 kPa) may occur. Line water  
pressure in excess of 65 psi will require instal-  
lation of a pressure regulator prior to the unit.  
IMPORTANT: Remove white  
1. Connect a shut-off valve to main water line.  
Under no circumstances should a needle  
valve or self piercing valve be used.  
2. Run a 3/8” O.D. line from the feedwater  
connection at the main water line to the water  
inlet on the filter system. Inlet connection is a  
3/8” John Guest fitting.  
plug from module and insert  
black tube as shown. Insert  
RO module into filter head  
and rotate 1/4 turn until it  
stops. The label should face  
the front.  
5
 
Drain Connection  
Important: An approved air gap should exist between the filter system  
drain lines and the drain opening to meet local plumbing codes.  
1. Run a minimum 3/8” O.D. tube from the reject port to the drain.  
2. The 3/8” O.D. reject tubing line may be run up to 10 ft (3 m) from the  
filter system to the drain. Care must be taken not to crimp or block the  
reject tubing line.  
The water pressure in  
the tank will increase as  
the tank fills with water.  
When the pressure in the  
tank reaches approxi-  
mately 80 psi (552 kPa)  
the filter system shuts off.  
When water is drawn from  
the tank and the pressure  
drops to approximately 60  
psi (414 kPa), the filter  
system will automatical-  
ly turn on.  
Automatic Bypass Valve  
The auto-bypass valve has 3/8” MNPT inlet and outlet ports and a 6’ (183  
cm) power cord that plugs into the filter system. This auto-bypass valve  
should be installed between the incoming unfiltered water line to the filter  
system and the water line to service after check valve. (Refer to page 4.)  
Storage Tank Installation  
If the tank pressure drops  
to 40 psi (276 kPa) the  
auto-bypass solenoid valve  
will open allowing unfiltered  
water to flow to service  
until tank pressure reaches  
approximately 60 psi (414  
kPa). When the filter sys-  
tem is in auto-bypass the  
red light on the front of  
the bracket will come on.  
®
Note: Storage tanks are purchased separately. Consult the CUNO  
Foodservice Price List for applicable sizes and part numbers.  
1. Follow installation instructions provided with tank.  
2. Check the air pressure in the tank at the valve in the top of the tank.  
With the tank empty, the pressure should be 20 psi (137.9 kPa).  
Adjust the air pressure as required.  
3. Place the tank in the desired location. It should be placed in an area  
where it will not be bumped or jarred.  
4. Connect fitting and minimum 3/8” O.D. tubing to product port of the unit.  
5. Run tubing from the other side of the TEE to the check valve and  
on to point of use connection and bypass line. Refer to Installation  
Schematic on page 4.  
NOTE: TSR150-2/2A/2B  
Bypass at 20psi (138  
kPa) to 40 psi (276 kPa).  
6. Open the ball valve on the tank by turning the handle until it is parallel  
with the body of the valve.  
Storage Tank  
2.5 gal. (9.5 lit.)  
5 gal. (19 lit.)  
Diameter  
9 1/16" (23 cm)  
15 3/8" (39.1 cm)  
16" (40.6 cm)  
16" (40.6 cm)  
24" (61 cm)  
Height  
Pipe Connection  
1/4" (0.6 cm)  
3/4" (1.9 cm)  
1" (2.5 cm)  
14 1/8" (35.9 cm)  
17 3/8" (44.1 cm)  
32 1/2" (82.6 cm)  
57 1/2" (146.1 cm)  
56 1/2" (143.5 cm)  
10 gal. (38 lit.)  
20 gal. (76 lit.)  
40 gal. (151 lit.)  
1" (2.5 cm)  
1 1/4" (3.2 cm)  
Point-of-Use Connections  
Distance from Storage  
Tank to Point of Use  
Recommended Minimum  
Recommended Minimum  
Plastic Pipe Size  
Tubing Size  
1/2" O.D. (1.3 cm)  
3/4" O.D. (1.9 cm)  
N/R  
IMPORTANT!  
up to 5 ft (0-1.5 m)  
5-20 ft (1.5-6.1 m)  
3/8" (1 cm) Schedule 40 PVC  
1/2" (1.3 cm) Schedule 40 PVC  
1/2" (1.3 cm) Schedule 40 PVC  
3/4" (1.9 cm) Schedule 40 PVC  
The use of metallic piping  
materials for high quality  
water is not recommend-  
ed because the water is  
aggressive due to low TDS  
and pH. Plastic tubing and  
pipe are most suitable.  
Solvent bonded plastic pipe  
should be assembled care-  
fully to avoid excessive glue  
inside the pipe. Piping of  
any type should be flushed  
thoroughly before use. Be  
sure piping conforms to  
local plumbing codes.  
20-40 ft. (6.1-12.2 m)  
40-60 ft. (12.2-18.3 m)  
N/R  
Note: The above table is appropriate for point of use applications that require flow  
rates up to 5 gpm (18.9 lpm).  
Select the tubing or pipe size that will help provide adequate flow and pressure to the  
point of use (i.e. Longer runs require larger tubing).  
The type of tubing or pipe used must conform to local plumbing codes. Tubing or pipe  
used for drinking water applications must be NSF listed or made of FDA compliant  
materials.  
6
 
Start-Up Procedure  
1. Check air pressure in the storage tank, Refer to Storage Tank Installation. (page 6)  
2. Close all water valves (5) in the system. (page 4)  
3. Open water supply valve at the connection to the main water feed and the inlet water valve at the  
unit. If manual bypass is installed it should be in the filter position.  
4. Plug in transformer.  
5. Plug bypass solenoid into the filter system.  
6. Open the drain/sample valve. This will purge the air from the system. When you see a steady  
stream of water close the drain/sample valve.  
7. Open the ball valve on the storage tank.  
8. Inspect all connections, fittings in the system for leaks, repair as necessary.  
9. Allow storage tank to fill with RO water. NOTE: see chart for required times to fill storage tanks.  
10. Open valve in water line to service and flush feed lines to each point of use.  
11. System is now ready to use.  
Time Required  
Tank Capacity  
To Fill Tank  
2.5 gal. (9.5 lit.)  
5 gal. (19 lit.)  
10 gal. (38 lit.)  
20 gal. (76 lit.)  
40 gal. (151 lit.)  
0.4 - 0.5 hour  
0.9 - 1.1 hours  
1.8 - 2.1 hours  
3.6 - 4.2 hours  
7.2 - 8.4 hours  
@ 70°F (21°C) Water Temperature  
Routine Maintenance  
CAUTION  
To reduce the risk associated with property damage due to water leakage:  
• Installation must comply with existing state or local plumbing codes;  
Read and follow Use Instructions before installation and use of this system.  
De-pressurization Procedure  
1. Turn off the inlet water valve.  
2. Close the tank ball valve.  
3. Open the drain line valve.  
4. Wait for 30 seconds, then unplug the transformer. System is now de-pressurized.  
Caution: Tank will still be under pressure.  
Sediment Filter (S)  
Replacement Procedure [6-12 months]  
1. De-pressurize the system as instructed above.  
2. Locate the sediment filter. To remove the sediment filter, turn to the left 1/4 turn. Pull down to remove  
and discard it.  
3. Insert the new filter by aligning the tabs with the filter head. Push up to insert and turn to the right  
1/4 turn.  
Chlorine Reduction Filter (C)  
Replacement Procedure [6-12 months]  
1. De-pressurize the system as instructed above.  
2. Locate the chlorine reduction filter. To remove the chlorine reduction filter, turn to the left 1/4 turn.  
Pull down to remove and discard it.  
3. Insert the new filter by aligning the tabs with the filter head. Push up to insert and turn to the right  
1/4 turn.  
7
 
TDS Reduction Filter (M)  
Replacement Procedure [annually]  
1. De-pressurize the system as instructed above.  
2. Locate the TDS reduction filter. To remove the TDS reduction filter, turn to the left 1/4 turn. Pull down  
to remove.  
3. Disconnect reject tubing by pushing in the white collet on plastic fitting to release the tubing (see page  
9). Discard the used cartridge.  
4. Remove the plug from the plastic fitting on the new cartridge and connect the reject tubing.  
5. Insert the new filter by aligning the tabs with the filter head. Push up to insert and turn to the right 1/4 turn.  
Note: The first full tank of water filtered after the filter is replaced should be discarded.  
See start-up procedure, page 7.  
Hardness Reduction Filter (H)  
(ScaleGard™ PLUS 2 TSR150) Replacement Procedure [6-12 months]  
1. De-pressurize the system as instructed above.  
2. Locate the hardness reduction filter. To remove the hardness reduction filter, turn to the left 1/4 turn.  
Pull down to remove and discard it.  
3. Insert the new filter by aligning the tabs with the filter head. Push up to insert and turn to the right 1/4 turn.  
Note: The first full tank of water filtered after the filter is replaced should be discarded.  
See start-up procedure, page 7.  
TDS Adjustment Filter (T)  
(ScaleGard PLUS 2 STM150) Replacement Procedure [6 months]  
1. De-pressurize the system as instructed above.  
2. Locate the TDS adjustment filter. To remove the TDS adjustment filter, turn to the left 1/4 turn. Pull  
down to remove and discard it.  
3. Insert the new filter by aligning the tabs with the filter head. Push up to insert and turn to the right 1/4 turn.  
Note: The first full tank of water filtered after the filter is replaced should be discarded.  
See start-up procedure, page 7.  
Restarting and Purging the RO System  
1. Turn on inlet water valve.  
2. Make sure the tank ball valve is closed.  
3. Open the drain/sample valve  
4. Plug in the transformer and wait for a steady stream of water to come from the drain/sample valve.  
This will purge the air from the system.  
5. Close the drain/sample valve and wait for pump to shut off (this will pressurize system). Check for leaks.  
6. Open tank ball valve.  
7. Plug in bypass solenoid valve.  
8
 
‘Push-In’ Tubing Connector  
(John Guest® Fitting)  
To Attach Tubing  
1
2
Tube  
This product is outfitted with user friendly “Push  
In” connectors. Proper use of the connectors is  
shown in the diagrams. It is most important that  
the tubing selected for use with these connectors  
be of high quality, exact size and roundness, and  
with no surface nicks or scratches. If it is neces-  
sary to cut the tubing, use a plastic tubing cutter  
or sharp razor knife. Make a clean square cut.  
Should a leak occur at a ‘Push In’ connector, the  
cause is usually defective tubing.  
Grey Collet  
Push tubing straight in as far as it will go. Tubing is secured in.  
To Release Tubing  
1
2
To fix leaks:  
• Relieve pressure.  
• Release tubing.  
• Cut off at least 3/8” (9.5 mm) from end.  
• Reattach tubing.  
• Confirm connection is leak free.  
Push in grey collet to release tubing.  
Pull tubing straight out.  
ScaleGard PLUS 2 Electrical Wiring Diagram  
Bypass Pressure Switch  
(Red Terminals)  
Automatic  
Bypass  
Tank Pressure Switch  
(Blue Terminal)  
Bypass  
Solenoid  
Light  
Solenoid  
Fuse  
Holder  
Transformer  
Booster Pump  
Installation Components for ScaleGard PLUS 2 Systems*  
1 pc of 3/8” Cross  
• 1 pc of 1/4” x 3/8” Male Connector  
• 1 pc of 1/4” NPT 0-160 pressure gauge  
• 1 pc of 3/8” Female Pipe Tee  
• 1 pc of 3/8”x1” Reducer Bushing  
• 3/8” Tubing  
1 pc of 3/8” x 1/4” Reducer Bushing  
6 pcs of 1/2” x 3/8” Male Connector  
1 pc of 3/8” Female Ball Valve  
3/8” Nipple  
1/2” Tubing (optional)  
• Cutter or sharp razor knife.  
* Not Provided With System  
9
 
ScaleGard™ PLUS 2 System Part List  
Item #  
Description  
Sediment Filter (S)  
STM150  
55997-01  
TSR150-2  
55997-01  
TSR150-4  
55997-01  
1
2
Chlorine Reduction Filter (C)  
TDS Reduction Filter (M)  
Ion Media Filter (T)  
55995-01  
55987-07  
55998-01  
-
55995-01  
55987-07  
-
55995-01  
55987-07  
-
3
4
4
Hardness Reduction Filter (H)  
Permeate Pump  
55996-01  
89-1331202  
53-41401  
60-1213201  
53-52001  
50-025  
55996-01  
89-1331202  
53-41401  
60-1213201  
53-52001  
50-025  
5
89-1331202  
53-41401  
60-1213201  
53-52001  
50-025  
6
Pump / Fuse Assembly  
7
Solenoid Valve  
8
Brine Flow Control  
9
Bypass Solenoid Valve Assembly (60 Hz)  
Bypass Solenoid Valve Assembly (50 Hz)  
Transformer (115V/60 Hz)  
Transformer (230V/50 Hz)  
Transformer (100V/50 Hz)  
Tank Switch (blue plug)  
9
50-026  
50-026  
50-026  
10  
10  
25-63031  
25-63032  
25-63030  
25-15505  
25-63031  
25-63032  
25-63030  
25-15505  
25-63031  
25-63032  
25-63030  
25-15505  
10  
Not Shown  
Not Shown  
Not Shown  
Bypass Switch (red plug)  
Fuse, 2 Amp, 3AGC-250V  
25-15503  
25-61225  
25-15502  
25-61225  
25-15503  
25-61225  
9
10  
8
5
6
7
1
4
3
2
Front View  
Front View without Front Cartridges  
10  
 
Limited Two Year Warranty  
CUNO Incorporated warrants the original purchaser-con- rable new unit at no charge to the consumer or to refund the full  
sumer of its Product that is free of defects in materials and purchase price. CUNO’s obligations of repair, replacement, or  
workmanship. Any defect, malfunction, or other failure of the refund are conditioned upon return of the defective Product to  
Product to conform to this warranty will be remedied by CUNO CUNO.  
in the manner provided below.  
If any Product covered hereby is actually defective within the  
This Warranty, together with any warranties implied by law, terms of this Warranty, then CUNO will bear all the reasonable  
shall be limited to a duration of two (2) years from the original and proper shipping and mailing charges actually incurred in the  
date of purchase by the consumer.  
This Warranty does not apply to defects that result from proves not to be defective within the terms of this Warranty, then  
abuse, misuse, alteration or damage not caused by CUNO. all costs and expenses in connection with the processing of the  
consumer’s return of the Product set forth herein. If the Product  
IMPORTANT: To file a claim under this warranty you must consumer’s claim hereunder shall be borne by the consumer.  
complete and mail the Warranty Registration Card supplied with  
this product to CUNO at the address below within ten (10) days RESPONSIBILITY OF THE CONSUMER  
of original purchase date.  
The original purchaser-consumer’s sole responsibility in the  
THIS WARRANTY DOES NOT COVER, AND IS INTENDED instance of a warranty claim shall be to notify CUNO of the  
TO EXCLUDE ANY LIABILITY ON THE PART OF CUNO, defect, malfunction, or other manner in which the terms of this  
WHETHER UNDER THIS WARRANTY OR UNDER ANY Warranty are violated. You may secure performance of obliga-  
WARRANTY IMPLIED BY LAW, FOR ANY INDIRECT OR tions hereunder by (in writing):  
CONSEQUENTIAL DAMAGES FOR BREACH HEREOF OR  
THEREOF.  
1. Identifying the Product involved (by model or serial number  
or other sufficient description that will allow CUNO to determine  
Note: Some states prohibit limitations on the duration of which product is defective).  
implied warranties and on the exclusion of indirect or conse-  
2. Specifying where, when, and from whom the Product was  
quential damages; and so the limitation on implied warranties purchased.  
and on incidental and consequential damages may not be appli-  
cable to you.  
3. Describing the nature of the defect, malfunction, or other  
violation of this Warranty.  
RESPONSIBILITY OF CUNO  
4. Sending such notification together with the defective Product  
CUNO’s responsibility under this warranty shall be to repair and $5.00 check or money order to cover postage and handling  
at its expense, at no charge to the original purchaser-consumer, to:  
any product that is actually defective, malfunctioning, or oth-  
erwise in violation of this warranty. If CUNO for any reason  
cannot repair a Product covered hereby within two (2) weeks  
CUNO Incorporated,  
400 Research Parkway, Meriden, Connecticut 06450, USA  
after receipt of the original purchaser-consumer’s notification THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS,  
of a Warranty claim, then CUNO’s responsibility shall be, at its AND YOU MAY ALSO HAVE OTHER RIGHTS, WHICH VARY  
option, either to replace the defective Product with a compa- FROM STATE TO STATE  
a 3M company  
CUNO Incorporated  
400 Research Parkway  
Meriden, CT 06450, USA  
CUNO and ScaleGard are trademarks of 3M Company used under license.  
Toll Free: 1-888-218-CUNO  
John Guest is a trademark of John Guest International Limited.  
Worldwide: 203-237-5541  
Fax: 203-238-8701  
© 2007 3M Company. All rights reserved.  
 

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