Whirlpool WHER25 Performance Data Sheet
Reverse osmosis filtration system
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06/14/11 (Rev. H)
7272878
4
Performance Data Sheet
Reverse Osmosis Filter System
Model WHER25
IMPORTANT NOTICE: Read this Performance Data Sheet and compare the capabilities of this
unit with your actual water treatment needs. It is recommended that, before purchasing a water
treatment unit, you have your water supply tested to determine your actual water treatment needs.
This filter system is designed to be used for the reduction of the substances listed below. Do not
use where water 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. This system is acceptable for treatment of influent concentrations
of no more than 27 mg/L nitrate and 3 mg/L nitrite in combination measured as N and are certified
for nitrate/nitrite reduction only for water supplies with a pressure of 280 kPa (40 psig) or greater.
This system has been tested for the treatment of water containing pentavalent arsenic (also known
as As (V), As (+5), or arsenate) at concentrations of 0.30 mg/L or less. This system reduces
pentavalent arsenic, but may not reduce other forms of arsenic. This system shall be used on water
supplies containing a detectable free chlorine residual at the system inlet or on water supplies that
have been demonstrated to contain only pentavalent arsenic.
(combined chlorine) is not sufficient to ensure complete conversion of trivalent arsenic to
pentavalent arsenic. Please see the Arsenic Facts section of the Performance Data Sheet for further
information.
While testing was performed under standard laboratory conditions, actual
performance of this system may vary based on local water conditions. Some or all of the
contaminants reduced by this unit may not be in your water supply. See owner's manual for
further instructions on filter replacement, system installation, operating procedures, and
warranty. The maintenance instructions must be followed for the product to perform as
indicated below.
General Information
This product is an undercounter system that filters and stores quality drinking water ready for use.
It contains a carbon sediment filter, RO membrane, and an activated carbon post filter. The faucet
indicator monitors the length of time the filter has been installed and will flash amber
continuously; indicating the filters and battery need to be replaced. This system has been tested
according to NSF/ANSI 58 and 42 for reduction of substances listed below. The concentration of
the indicated substances in water entering the systems were reduced to a concentration less than or
equal to the permissible limit for water leaving the system, as specified in NSF/ANSI 58. The
testing was performed using spiked chlorine free deionized water with ≤1 NTU turbidity, 7.5 ± 0.5
pH, 25 ±1°C, and 1µS/cm conductivity.
Maintenance
Replacement filter prices may vary. For estimated costs of replacement filter elements part
number WHEERF or replacement membranes part number WHEERM please call toll free at 1-
866-986 3223.
Application Specifications For Feed Water
Pressure...................................................40-100 psig (2.8-7.0 kg/cm
Temperature ........................................................... 40-100°F (5-38°C)
Maximum TDS Level..........................................................2000 mg/L
Maximum Hardness @ 6.9 pH.............................. 10 gpg
Maximum Iron, Manganese, Hyd. Sulfide ................................0 mg/L
Maximum Chlorine ...............................................................2.0 mg/L
pH Range ...................................................................................... 4-10
1
gpg means Grains Per Gallon.
2
A carbon prefilter is part of this system to protect the reverse osmosis membrane from
deterioration should there be chlorine in the supply water. This reverse osmosis system contains a
replaceable treatment component critical for effective reduction of TDS. The product water shall
be tested periodically to verify that the system is performing satisfactorily.
Treatment with chloramine
2
)
1
(171 mg/L)
2
1
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Summary of Contents for Whirlpool WHER25
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Page 1: Performance Data Sheet
7272878 Performance Data Sheet Reverse Osmosis Filter System Model WHER25 IMPORTANT NOTICE: Read this Performance Data Sheet and compare the capabilities of this unit with your actual water treatment needs. It is recommended that, before purchasing a water treatment unit, you have your water supply tested to determine your actual water treatment needs. - Page 2 800 ± 10% Tannin 3.0 ± 10% Zinc 15 ± 10% Daily Production Rate Model WHER25 – 18.46 gal/day (69.87 liters/day) Efficiency Rating Model WHER25 – 12.22% Recovery Rating Model WHER25 – 22.95 % mg/L means Milligrams Per Liter, which is equivalent to parts per million (PPM).