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Culligan knows the more informed you are about your water treatment systems, the more confident you will be
about its performance. It’s because of this and more than seventy years of commitment to customer satisfaction that
Culligan is providing this Performance Data Sheet to its customers.
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.
Manufacturer:
Culligan International Company
9399 W. Higgins Rd., Suite 1100, Rosemont, IL 60018 USA
(847) 430-2800
Product:
Culligan High Efficiency Twin 12” Water Softener
with Aqua-Sensor
®
Sensing Device
Testing Conditions & Results:
Flow Rate:
10.0 gpm @10 psi
Capacity: 31,352 grains @ 7.0 lb. salt
Pressure:
30 - 40 psi (2.1–2.8 kg/cm
2
)
48,458 grains @ 16.0 lb. salt
Acidity:
Non-Corrosive
59,267 grains @ 24.0 lb. salt
Temperature:
68°F (20°C)
pH:
7.6
Efficiency Rated Dosage†: 4,479 gr/lb
Softener Specifications:
Service Flow Rate: 10.0 gpm
Pressure Drop at Max. Flow Rate: 10 psi
Operating Temp. Range: 33-125°F (0.6–51.7°C)
Max. Drain Flow Rate: 2.5 gpm
Working Press. Range: 20–120 psi (1.4–8.5 kg/cm
2
) Oper. Press. Range (Canada): 20–90 psi (1.4–6.3 kg/cm
2
)
The Culligan High Efficiency Twin 12” Water Softeners with Aqua-Sensor® Sensing Device are tested and
certified by WQA against NSF/ANSI Standard 44 for the effective reduction of hardness (calcium as verified and
substantiated by test data.
An efficiency rated water softener is a DIR softener which also complies with specific performance specifications
intended to minimize the amount of regenerant brine and water used in its operation. Efficiency rated water
softeners shall have a rated salt efficiency of not less than 3350 grains of total hardness exchange per pound of salt
(based on NaCl equivalency) (477 grams of total hardness exchange per kilogram of salt), and shall not deliver
more salt than its listed rating. The efficiency is measured by a laboratory test described in NSF/ANSI 44. The test
represents the maximum possible efficiency the system can achieve. Operational efficiency is the actual efficiency
achieved after the system has been installed. It is typically less than the efficiency due to individual application
factors including water hardness, water usage, and other contaminants that reduce the softener’s capacity.
Refer to the Specifications, Familiarization and Warranty section of this Owner’s Guide for more specific product
information. To avoid contamination from improper handling and installation, your system should only be installed
and serviced by your Culligan Man. Performance will vary based on local water conditions. The substances reduced
by this system are not necessarily in your water.
Culligan water softeners are designed to work with any salt of good quality, although it is recommended that you
ask your local Culligan Man for his suggestion on the best type and grade of salt to use in this softener.
Notice
:
This softener is not intended to be used for treating water that is microbiologically unsafe or of unknown
quality without adequate disinfection before or after the system.
† The efficiency rated dosage is only valid at the 8lb. salt dosage and maximum service flow rate for 12” models.
Buyer Signature _______________________________________________________________ Date _________________
Seller Signature _______________________________________________________________ Date _________________
Performance
Data Sheet
Culligan High
Efficiency Twin
12” Water Softener
with Aqua-Sensor
®
Sensing Device
