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PLUMBING SYSTEM INSPECT DIAGNOSE REPAIR

BIOLOGICAL POLLUTANTS

CHEMICAL CONTAMINANTS in WATER
CLOGGED SUPPLY PIPING

DEBRIS in WATER SUPPLY, Water Heater
DRINKING WATER TESTING

EPA GUIDE to WATER QUALITY

FHA WATER TESTS REQUIRED
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FREEZE-PROOF A BUILDING

HARD WATER - SOFTENERS
HEAT TAPE USAGE GUIDE

MUNICIPAL WATER PRESSURE IMPROVEMENTS

ODORS GASES SMELLS, DIAGNOSIS & CURE
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PLUMBING SYSTEM ODORS
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REVERSE OSMOSIS CONCENTRATE DISPOSAL

SEWER GAS ODORS

WATER HEATER SCALE REMOVAL
WATER HEATER SCALE PREVENTION
WATER ODORS, CAUSE CURE
WATER PRESSURE & FLOW MEASUREMENT
WATER QUALITY TESTS, CONTAMINANTS, TREATMENT
WATER SOFTENERS & CONDITIONERS
WATER SOURCE ALTERNATIVES
WATER SUPPLY & DRAIN PIPING
WATER TANK: USES, TROUBLESHOOTING
WATER TESTS, CONTAMINANTS, TREATMENT
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More Information

Photo of a home water softener systemDiagnose Water Softener Regeneration, Backup, Leaks, Stuck Controls
     

  • How to diagnose problems with a water softener backup, regeneration, or cycle problem: stuck controls & leaks
  • Why does a water softener back up and flood a building - water softener gets stuck in "backwash" or "regeneration" cycle
  • More Diagnostic Steps for a Leaking or Overflowing Water Softener
  • Questions & Answers about diagnosing & fixing a water softener that sticks in backup or regeneration cycle or that is leaking
  • References

Click to Show or Hide Related Topics

  • WATER TREATMENT EQUIPMENT CHOICES - home
  • WATER SOFTENERS & CONDITIONERS - home
  • BYPASS VALVE on WATER SOFTENERS
  • DE-WINTERIZE WATER SOFTENER
  • DIAGNOSE WATER SOFTENER PROBLEMS
  • DIAGNOSE SOFTENER BACKUP / FLOODING
  • HEALTH RISKS & WATER SOFTENERS
  • HOW SOFTENERS WORK
  • INSTALLATION of WATER SOFTENERS
  • REDUCE IMPACT of SOFTENER on SEPTIC
  • SALT / SOFT WATER IMPACT on SEPTIC, PLUMBING, HEATERS
  • SOFTENER ADJUSTMENT & CONTROLS
  • SOFTENER CLEANING & SANITIZING
  • OTHER WATER SOFTENING METHODS
  • WINTERIZE WATER SOFTENER
  • WATER HARDNESS: HOW TO DETECT
  • WATER HARDNESS: HOW TO MEASURE
InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

Repair Water Softener Backup & Regeneration Control Problems: this article explains how to diagnose & fix water conditioner / water softener leaks, overflows, backups, or building floods due to water softener malfunction. We give steps in fixing a stuck water treatment device control that can otherwise leave your water softener running continuously in backwash or regeneration mode. We also explain other problems, such as a crimped water softener drain, that can leave the water conditioner stuck in regeneration mode.

Green links show where you are. © Copyright 2013 InspectAPedia.com, All Rights Reserved. Author Daniel Friedman.

Water Softener Stuck in Backwash or Regeneration Cycle Can Flood a Building or Septic System

Question: What Caused our Water Softener to Flood the Building?

We had a water softener overflow into the kitchen and am wondering if this could be caused by the electricity being turned off for several days and then being turned on without resetting the water softener? Maybe it just kept on running since it was not reset? - (Anonymous)

Reply: Stuck Water Softener Controls May Be the Culprit

Water softener controls photoLoss of electrical power itself would not in a straightforward way make a water softener overflow - the softener usually works by a clock control and automatically backwashes itself on a timer scheduled basis.

To overflow something else had to be wrong such as a lost connection between softener and its drain pipe or a problem in the control itself leaving it "stuck" in regeneration mode.

But if your water softener control equipment became damaged (such as by an electrical power surge that might have accompanied an electrical storm, lightning strike, or local power outage), or the water softener timer or control mechanism has been damaged (or corroded, leak damaged, or crud-jammed) so that it became "stuck" in its backwash mode, and if we had a compound error of a blocked or slow backwash water drain, the equipment might indeed overflow into the building.

So if there was an event that damaged the softener control and there was at the same time a new or pre-existing blocked or slow drain, the events might be related. In short, a softener ought not to backup or overflow due to loss of power, but coincidences are suspicious.

In the past when we have seen a softener problem like this, the control was "stuck" in regeneration (or "backwash") cycle. Sometimes moving the control manually (turning a timer dial) or resetting the control electrically will cure the problem. But watch out: keep an eye on the system or try a few manual backwash cycles to be sure that the system is stopping its regeneration cycle properly.

When a water softener gets stuck in regeneration mode what usually happens is water flows into the building drain continually, sometimes for days or longer before it is discovered. I've seen this flood a septic drainfield.

In the case of a softener that is emptying into a building drain, especially one on an upper floor, if we have the bad luck that that drain is itself slow, blocked, or draining into a blocked or flooded septic tank, the whole system can back up into the building.

Perhaps that's what happened in your case.

Further Diagnostic Steps for Overflowing Water Softener

Can you trace the water softener drain piping to see where it is connected. If it's connected right at the sink or trap where the overflow occurred, check further for a blocked trap.

Garden hose plumbing (C) Daniel Friedman

If the softener drain is connected to a different building pipe check the building drain system from that point onwards (downstream) for a blockage or partial drain blockage.

Finally, if the softener drain is improperly connected directly to a sewer line with an airtight connection such as shown in our photo at left, it is forming an unsanitary "cross connection" that is actually a technical building code violation as well.

A sewer backup can back into the softener and contaminate the building water supply. (See CROSS CONNECTIONS, PLUMBING)

When such a connection is made, if the softener gets stuck in regeneration mode and begins to flood a private septic system or drain into a blocked or partly blocked building drain, that too can cause drain backups and even an overflow on upper building floors.

...


Frequently Asked Questions (FAQs) About Water Softener Backups, Leaks, Overflows: diagnosis & repair

Question: Culligan Gold Water Softener Tank Leaks From Bottom

HI I HAVE THE CULLIGAN GOLD SYSTEM, MY MINERAL TANK LEAKS FROM THE BOTTOM WHEN THE WHOLE SYSTEM IS TURNED ON , ANY IDEA WHAT IS THE PROBLEM ? MY FURNACE WENT DOWN DURING WINTER AND PIPES FROZE ,IS THERE A SEAL ETC THAT MIGHT OF FROZE ETC , THANKYOU ! Mike: - 11/29/11

Reply:

Mike, if by mineral tank you mean the salt tank, it's plastic and may be repairable - pretty simple. If you mean the media tank, indeed there are several bonded parts that make up some tanks, such as a plastic bottom connected to a stainless steel tank - those might have been broken from freezing. I'd check the parts explosion of your water softener manual - if you don't have the installation and maintenance guide you can certainly download one from Culligan - see the website address at our references below. There may be replaceable parts on the media tank base itself, but I'm doubtful. Keep us posted, what you learn will help other readers. DF

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Technical Reviewers & References

Related Topics, found near the top of this page suggest articles closely related to this one.

  • [1] North Dakota Standards for Water Softeners, North Dakota General Authority Law, Chapter 62-04-08, Water Softener Units http://www.legis.nd.gov/information/acdata/pdf/62-04-08.pdf. "The objective of this chapter is to provide a standard of quality, capacity, and performance for water softener units. Water softener performance is to be based upon referee tests procedures described in section 62-04-08-09."
  • [2] Culligan Mark 10 Water Softener 1994-1998 Installation and Operating Instructions (covering models manufactured after 1995) (1-96) 01881948.pdf available from www.culligan.com
  • [3] Water Softeners, CMHC, Canadian Mortgage and Housing Corporation, cmhc-schl.gc.ca/en/co/maho/wawa/wawa_005.cfm - October 2008. Canada Mortgage and Housing Corporation acknowledges the contribution of Health Canada to the development of this document. For further questions regarding water treatment and water quality, contact Health Canada at watereau@hc-sc.gc.ca or call 613-957-2991 or 1-866-225-0709.
  • [4] "Commercial Water Softener Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia) for commercial, industrial and residential application www.ibcwater.com.au (07) 3219 2233
  • [5] "Non electric water softener, Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia), op.cit.
  • [6] "Water Softener Twin Tank Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia), op.cit.
  • [7] Our Water Hardness Table used at originated with but was edited and added to from http://www.bestfish.com/tips/110598.html and also from http://www.water-research.net/hardness.htm
  • [8] Thanks to reader [Anonymous] for discussing water softener backups and floods after an electrical outage - August 2010

Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair

  • Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore. Also see our Book Reviews - InspectAPedia.
  • Home Reference Book - Carson DunlopThe Home Reference Book - the Encyclopedia of Homes, Carson Dunlop & Associates, Toronto, Ontario, 25th Ed., 2012, is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. Field inspection worksheets are included at the back of the volume. Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.

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  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
    Building inspection education & report writing systems from Carson, Dunlop & Associates Ltd
  • Inspecting Septic Systems: Online Book, Inspection, Test, Diagnosis, Repair, & Maintenance: our Online Septic Book: Septic Testing, Loading & Dye Tests, Septic Tank Pumping, Clearances, details of onsite waste disposal system inspection, testing, repair procedures.

  • Advanced Onsite Wastewater Systems Technologies, Anish R. Jantrania, Mark A. Gross. Anish Jantrania, Ph.D., P.E., M.B.A., is a Consulting Engineer, in Mechanicsville VA, 804-550-0389 (2006), Advanced Onsite Wastewater Systems Technologies. Outstanding technical reference especially on alternative septic system design alternatives. Written for designers and engineers, this book is not at all easy going for homeowners but is a text we recommend for professionals--DF.
  • Builder's Guide to Wells and Septic Systems, Woodson, R. Dodge: $ 24.95; MCGRAW HILL B; TP; Quoting from Amazon's description: For the homebuilder, one mistake in estimating or installing wells and septic systems can cost thousands of dollars. This comprehensive guide filled with case studies can prevent that. Master plumber R. Dodge Woodson packs this reader-friendly guide with guidance and information, including details on new techniques and materials that can economize and expedite jobs and advice on how to avoid mistakes in both estimating and construction. Chapters cover virtually every aspect of wells and septic systems, including on-site evaluations; site limitations; bidding; soil studies, septic designs, and code-related issues; drilled and dug wells, gravel and pipe, chamber-type, and gravity septic systems; pump stations; common problems with well installation; and remedies for poor septic situations. Woodson also discusses ways to increase profits by avoiding cost overruns.
  • Country Plumbing: Living with a Septic System, Hartigan, Gerry: $ 9.95; ALAN C HOOD & TP; Quoting an Amazon reviewer's comment, with which we agree--DF:This book is informative as far as it goes and might be most useful for someone with an older system. But it was written in the early 1980s. A lot has changed since then. In particular, the book doesn't cover any of the newer systems that are used more and more nowadays in some parts of the country -- sand mounds, aeration systems, lagoons, etc.

Design Manuals for Septic Systems

  • US EPA Onsite Wastewater Treatment Systems Manual [online copy, free] Top Reference: US EPA's Design Manual for Onsite Wastewater Treatment and Disposal, 1980, available from the US EPA, the US GPO Superintendent of Documents (Pueblo CO), and from the National Small Flows Clearinghouse. Original source http://www.epa.gov/ORD/NRMRL/Pubs/625R00008/625R00008.htm Onsite wastewater treatment and disposal systems, Richard J Otis, published by the US EPA. Although it's more than 20 years old, this book remains a useful reference for septic system designers. U.S. Environmental Protection Agency, Office of Water Program Operations; Office of Research and Development, Municipal Environmental Research Laboratory; (1980)
  • Eco John® Innovative Toilet Solutions, Global Inventive Industries, Fountain Valley CA, PDF, product brochure
  • "International Private Sewage Disposal Code," 1995, BOCA-708-799-2300, ICBO-310-699-0541, SBCCI 205-591-1853, available from those code associations.
  • "Manual of Policy, Procedures, and Guidelines for Onsite Sewage Systems," Ontario Reg. 374/81, Part VII of the Environmental Protection Act (Canada), ISBN 0-7743-7303-2, Ministry of the Environment,135 St. Clair Ave. West, Toronto Ontario M4V 1P5 Canada $24. CDN.
  • Manual of Septic Tank Practice, US Public Health Service's 1959.
  • ...

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