Maytag 12591308 Owner's Manual
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Water Filter Data
System Specification and Performance Data Sheet
Refrigerator Water Filter Cartridge Model OWF51
Specifications
Service Flow Rate (Maximum) ............................................. 0.75 GPM (2.83 L/min)
Rated Service Life OWF50-NI300 (Maximum) ..................... 300 gallons/ 1135 liters
Rated Service Life OWF50-WI500 (Maximum) ..................... 500 gallons/ 1892 liters
Maximum Operating Temperature........................................ 100° F/38° C
Minimum Pressure Requirement .......................................... 35 psi/ 138 kPa
Minimum Operating Temperature......................................... 33° F/ 1° C
Maximum Operating Pressure .............................................. 120 psi/ 827 kPa
General Use Conditions: Read this Performance Data Sheet and compare the capabilities of this unit with your actual
water treatment needs.
DO NOT use this product where water is microbiologically unsafe or of unknown quality without adequate disinfection
before or after the system. System certified for cyst reduction may be used on disinfected water that may contain
filterable cysts.
The retractable water filtration system uses a OWF51 replacement cartridge (see your distributor to order). Timely
replacement of filter cartridge is essential for performance satisfaction from this filtration system. Please refer to the
applicable section in this Owner's Manual for general operation, maintenance requirements and troubleshooting.
®
Tested and Certified by NSF International against ANSI/NSF Standards
42 & 53 in models OWF50-WI500 and OWF50-NI300 for the reduction of:
Standard No. 53: Health Effects
Chemical Reduction Unit
Lead, Atrazine, Lindane & 2,4-D Reduction
Mechanical Filtration Unit
Cyst, Turbidity, & Asbestos Reduction
Standard No. 42: Aesthetic Effects
Taste & Odor Reduction
Chlorine Reduction
Mechanical Filtration Unit
Particlate Reduction Class 1
Pentapure, Incorporated
1000 Apollo Road
Eagan, Minnesota U.S.A.
EPA EST #35917-MN-1
This systems has been tested according to ANSI/NSF 42 and 53 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
ANSI/NSF 42 and 53.
* Tested using a flow rate of 0.75 GPM (2.83 L/min.) and a maximum pressure of 120 psi (827 kPa)
under standard laboratory conditions, however, actual performance may vary. Health Claim
Performance tested and certified by NSF International
** Particle size range classification of test. Particles used were 0.5 –1 microns.
Substance
Influent challenge
concentration
Effluent
Average
Average
%
Reduction
Maximum
Effluent
Min. Required
Reduction
Inlet
pH
Lead 0.15 mg/L +/- 10% 0.001 mg/L 99.33% 0.001 mg/L 0.010 mg/L 6.5
Lead 0.15 mg/L +/- 10% 0.002 mg/L 98.66% 0.003 mg/L 0.010 mg/L 8.5
Cyst Minimum 50,000/L 1count/mL 99.99% 3 count/mL > 99.95% NA
Turbidity 11 +/- 1 NTU 0.12 NTU 98.98% 0.18 NTU 0.5 NTU NA
Lindane 0.002 mg/L +/- 10% 0.00005 mg/L 92.06% 0.00005 mg/L 0.00001 mg/L NA
Atrazine 0.009 mg/L +/- 10% 0.0002 mg/L 97.93% 0.0006 mg/L 0.003 mg/L NA
Chlorine 2.0 mg/L +/- 10% 0.09 mg/L 95.26% 0.17 mg/L
≥75%
NA
Particulate**
at least 10,000
particles/mL
900 count/mL 99.68% 2400 count/mL
≥85%
NA
2,4-D 0.210 mg/L +/- 10% 45.45 ug/L 84.42% 100 ug/L 0.0017 mg/L NA
Asbestos
107 to 108 fibers/L; fibers greater tha
n
10 micometers in length
0.16 MFL/mL 99.96% 0.16 MFL/mL 99% NA
2
97.62%