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SAFETY INFORMATION

Read, understand and follow all safety information contained in these instructions prior to installation and 
use of the DWS160-L water filtration system. Retain these instructions for future reference.

Intended use:

The 

DWS160-L 

water filtration system is intended for use in filtering potable water for foodservice equipment and 

has not been evaluated for other uses. Not for residential applications. The system is typically installed at point of 
use, and must be installed by a qualified professional installer according to these installation instructions. 

EXPLANATION OF SIGNAL WORD CONSEQUENCES

WARNING

Indicates a potentially hazardous situation, which, if not avoided, could result in death or 
serious injury and/or property damage.

CAUTION

Indicates a potentially hazardous situation, which, if not avoided, may result in property 
damage.

To reduce the risk associated with choking:  

•  Do not

 allow children under 3 years of age to have access to small parts during the installation 

of this product.

To reduce the risk associated with the ingestion of contaminants:  

•  Do not

 use with water that is microbiologically unsafe or of unknown quality without adequate 

disinfection before or after the system. Systems certified for cyst reduction may be used on 
disinfected water that may contain filterable cysts. EPA Establishment #070595-CT-001

To reduce the risk associated with hazardous voltage due to an installer drilling through existing 
electric wiring or water pipes in the area of installation:

•  Do not install near electric wiring or piping which may be in path of a drilling tool when selecting 

the position to mount the system bracket.

To reduce the risk associated with property damage due to water leakage:

• 

Read and follow 

Use Instructions before installation and use of this system.

•  Installation and use

 MUST

 comply with all state and local plumbing codes.

• 

Protect from freezing,

 remove filter cartridge when temperatures are expected to drop below 40° F 

(4.4° C).

• 

Do not install 

systems in areas where ambient temperatures may go above 110° F (43.3° C).

• 

Do not install on hot water supply lines.

  The maximum operating water temperature of this filter 

system is 100°F (37.8°C).

• 

Do not install 

if water pressure exceeds 125 psi (862 kPa).  If your water pressure exceeds 80 psi (552 

kPa), you must install a pressure limiting valve.  Contact a plumbing professional if you are uncertain as 
to how to check your water pressure.

• 

Do not install 

where water hammer conditions may occur.  If water hammer conditions exist you must 

install a water hammer arrester.  Contact a plumbing professional if you are uncertain how to check for 
this condition.

•  Where a backflow prevention device is installed on a water system, a device for controlling pressure 

due to thermal expansion must be installed.

• 

Do not

 use a torch or other high temperature sources near filter system, cartridges, plastic fittings or 

plastic plumbing.

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Summary of Contents for DWS160-L

Page 1: ...Installer Please leave this manual with owner operator Installation and Operating Instructions for Water Filtration System DWS160 L 3MTM Water Filtration Products ...

Page 2: ...To reduce the risk associated with hazardous voltage due to an installer drilling through existing electric wiring or water pipes in the area of installation Do not install near electric wiring or piping which may be in path of a drilling tool when selecting the position to mount the system bracket To reduce the risk associated with property damage due to water leakage Read and follow Use Instruct...

Page 3: ... from any fittings The disposable filter cartridge MUST be replaced every 12 months at the rated capacity or sooner if a noticeable reduction in flow rate occurs 3MTM Water Filtration Products DWS160 L System Part Number 56272 01 Specifications Inlet Size 3 8 NPT Fitting Outlet Size 3 8 NPT Fitting Temperature Range 40 100 F 4 4 37 8 C Pressure Range 25 125 psi 172 862 kPa Dimensions 16 25 H x 4 D...

Page 4: ...rning Make sure cold water supply valve is turned off prior to installation Note A proper length of 3 8 O D polyethylene or soft copper tubing is required for installation not included Installation must comply with existing state and local plumbing codes Note Additional fittings may be required Note Arrange tubing so that there are no sharp bends Leave some play in the tubing for ease of servicing...

Page 5: ... 5 Replacement Cartridge Change out Instructions For Water Filtration System Model DWS160 L A Grasp filter see figures 1 2 and turn to the left counterclockwise until filter comes to a complete stop water automatically turns off Water may leak momentarily from vent tube This is normal Gently pull filter downward to remove see figure 3 B Remove sanitary protective cap from new replacement cartridge...

Page 6: ...s not cover labor The remedy stated in this paragraph is Customer s sole remedy and 3M Purification Inc s exclusive obligation This warranty gives you specific legal rights and you may have other rights which may vary from state to state or country to country For any warranty questions please call 866 990 9785 or mail your request to Warranty Claims 3M Purification Inc 400 Research Parkway Meriden...

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