Maytag mwf4100aws Certifications and Testing, Bypass Procedure, Models MWF4200AWS and MWF4300AWS

Bypass Procedure

1.Close the Inlet and Outlet ball valves (turn handles clockwise). Ball valves are in the closed position when the handle is positioned perpendicular to the water pipe. (See Photo 2a and 2b on previous page.)

2.Open Bypass Valve (turn handle counter-clockwise).

3.Unplug controller.

4.To return to filtered water service, in the order listed;

•close bypass valve (turn handle clockwise)

•open inlet and outlet ball valves (turn handles counter-clockwise)

•plug in controller

Certifications and Testing

NSF (National Sanitation Foundation) Testing and Certification

NSF International is the world’s leading testing and certification laboratory for water treatment products.

Models MWF4200AWS and MWF4300AWS:

System Tested and Certified by NSF International against NSF/ANSI 42 and 53 for:

•Cyst Reduction

•Turbidity Reduction

•Particulate Reduction - Class 1

MAYTAG Whole Home Water Filtration System Owners Manual MA1-5

November 2003

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