Introduction
The Culligan
®
Mark 89 and 812 water softeners are tested and validated by WQA to ANSI/NSF
Standard 44 for the effective reduction of calcium and magnesium (hardness) along with barium
and Radium 226/228*.
SAFE PRACTICES
Throughout this manual there are paragraphs set off by special headings.
NOTICE: Notice is used to emphasize installation, operation or maintenance information which is important, but
does not present any hazard.
Example: NOTICE: The nipple must extend no more than 1 inch above the cover plate.
CAUTION: Caution is used when failure to follow directions could result in damage to equipment or
property. Example:
CAUTION: Disassembly while under water pressure can result in flooding.
WARNING: Warning is used to indicate a hazard which could cause injury or death if ignored. Example:
WARNING! ELECTRICAL SHOCK HAZARD! UNPLUG THE UNIT BEFORE
REMOVING THE TIMER MECHANISM OR COVER PLATES!
SERIAL NUMBERS
The control valve serial number, is on the back of the timer case.
The media tank serial number is on the top edge of the tank side wall.
NOTICE: Do not remove or destroy the serial number. It must be referenced on request for warranty repair or
replacement.
This publication is based on information available when approved for printing. Continuing design refinement
could cause changes that may not be included in this publication.
* Verified utilizing hardness surrogate per ANSI/NSF Standard 44.
2 CULLIGAN
®
MARK 89 AND 812 WATER CONDITIONER
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