7371119 (Rev. A 6/11/18)
Installation and Operation Manual
How to install, operate
and maintain your Demand
Controlled Water Softener
Models
NSC22 & NSC31
Systems tested and certified by the
Water Quality Association against CSA B483.1.
Systems tested and certified by NSF International
against NSF/ANSI Standard 44
for hardness reduction and efficiency,
and certified to NSF/ANSI Standard 372.
If you have any questions or concerns when
installing, operating or maintaining your
water softener, contact us at:
info@northstarwater.com
or visit www.northstarwater.com
Manufactured and warranted by
North Star Water Treatment Systems
1890 Woodlane Drive
Woodbury, MN 55125
Designed, Engineered &
Assembled in the U.S.A.
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