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Specifications & Performance Claims
These models are efficiency rated. The efficiency rating is valid only at the minimum salt dose and rated service flow.
These softeners have a demand initiated regeneration (D.I.R.) feature that complies with specific performance
specifications intended to minimize the amount of regenerant brine and water used in their operation.
These softeners have a rated softener efficiency of not less than 3,350 grains of total hardness exchange per pound
of salt (based on sodium chloride) and shall not deliver more salt than their listed rating or be operated at a
sustained maximum service flow rate greater than their listed rating. These softeners have been proven to deliver
soft water for at least ten continuous minutes at the rated service flow rate. The rated salt efficiency is measured by
laboratory tests described in NSF/ANSI Standard 44. These tests represent the maximum possible efficiency that
the system can achieve. Operational efficiency is the actual efficiency after the system has been installed. It is
typically less than the rated efficiency, due to individual application factors including water hardness, water usage,
and other contaminants that reduce a softener's capacity.
Model Code
Rated Softening Capacity (Grains @ Salt Dose)
Rated Efficiency (Grains/Pound of Salt @ Minimum Salt Dose)
Water Used During Regeneration @ Minimum Salt Dose
Total Water Used Per Regeneration @ Maximum Salt Dose
Rated Service Flow Rate
Amount of High Capacity Ion Exchange Resin
Pressure Drop at Rated Service Flow
Water Supply Max. Hardness
Water Supply Max. Clear Water Iron
Water Pressure Limits (minimum / maximum)
Water Temperature Limits (minimum / maximum)
Minimum Water Supply Flow Rate
Intermittent Flow @ 30 PSI
Maximum Drain Flow Rate
Salt Storage Capacity
*
Capacity to reduce clear water iron is substantiated by laboratory test data. The state of Wisconsin requires
additional treatment if the water supply contains clear water iron exceeding 5 ppm.
**Canada working pressure limits: 1.4 - 7.0 kg/cm
***Intermittent flow rate does not represent the maximum service flow rate used for determining the softener's
rated capacity and efficiency. Continuous operation at flow rates greater than the service flow rate may affect
capacity and efficiency performance.
These systems conform to NSF/ANSI 44 for the specific performance claims as verified and substantiated by
test data.
Variable Salt Dose: The salt dose is selected by the electronic controls at regeneration time based on the
Questions? Call Toll Free 1-866-986-3223
When you call, please be prepared to provide the model and serial number,
found on the rating decal, typically located on the rim below the salt lid hinges.
amount needed.
Model WHES30
L30P
12,500 @ 2.4 lbs
26,600 @ 7.8 lbs
31,700 @ 13.1 lbs
5,094 @ 2.4 lbs
2.3 gal. / 1,000 grains
35.2 gallons
7.3 gpm
0.82 cu. ft.
14.8 psig
95 gpg
8 ppm*
11.0 gpm***
2.0 gpm
.
2
whirlpoolwatersolutions.com
or visit
3
Model WHES33
L33P
13,400 @ 2.6 lbs
28,500 @ 8.3 lbs
34,100 @ 14.1 lbs
5,094 @ 2.6 lbs
1.9 gal. / 1,000 grains
33.3 gallons
7.2 gpm
0.88 cu. ft.
14.9 psig
105 gpg
9 ppm*
20 - 125 psi**
40 - 120 °F
3 gpm
10.9 gpm***
1.8 gpm
175 lbs
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