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Replacing charcoal in my kinetico water softner

Need to know how to backwash my system after replacing the charcoal in the twin tanks.

Model 51

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  • Marc Hess
    Marc Hess May 11, 2010

    Do you have a water softner, or a charcoal filter system? A softner would be filled with resin, and a filter with charcoal.


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On the top of the unti there is a plastic site glass it also will have a phillips screwdriver slot when you insert the screw driver you have to push down and then turn it clockwise until you hear it kick in the let off let it run the entire cycle then run a faucet to make sure everything is clear and clean

Posted on Dec 05, 2008

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Posted on Jan 02, 2017

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First shut water off at stop than flush all the water out of the tank next take a sponge and get all the water out of tank next unsrew the supply line from the valve under tank than move out of the way next unsrew the nut on the valve of fluidmaster than pull the fluidmaster out of tank stick the new fluidmaster in tighten nut srew the supply line back on turn on stop and let the tank fill up thats it if the fluidmaster dont shut off press the handle let some water out and adjust the fluidmaster screw Tip the water should stop a 1/4 inch below the flush valve tube in center of toilet

Jul 11, 2016 | Fluidmaster Plumbing

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Why doesn't the waste go all the way down? It takes several flushes.

Welcome to our new world of water conservation. If you have a toilet that isn't have something in your trap weir. Or your flapper is malfunctioning. Or your float valve isn't filling your tank correctly. Or your bowl scouring ports could be clogged. There are sooo many things that could cause this....
.New toilets do this because their design to use less water has reached the point of no-longer working to clear the bowl contents. Plain and simple. It has became the norm to flush once for #1's and flush (how ever many it takes to flush all waste) for #2's.
Back to old styles...You can remove the tank top and inspect the water level in the tank(should be about a 1/2" below overflow tube when full), inspect the flapper(flush the toilet and see if your flapper is staying up long enough to allow enough water to enter the bowl to cause a syphon action that ends with a suction sound and complete emptying of the water from the bowl), flush your toilet and look in the bowl to see if the water spraying from your rim is adequately dispensing water to scour the sides of the bowl, and also look at the jet that shoots water from the bottom of the bowl...aimed toward the outlet portion of the very bottom of the interior bowl. This jet is what starts the syphon action that empties your bowl. If you have something stuck in your trap probably need to call your Plumber to auger the object out or break it down to a size that will pass into the sewer.
The small ports that spray your sides can be cleared with a 3/16" stiff nylon brush...the jet down below can be cleared with a 1" stiff nylon brush. Flapper malfunction is repaired by replacing the flapper. Incorrect water level in the tank can be fixed by adjusting the valve float. but chances are that if it is all of a sudden probably needs to be replaced...good luck and always know how to turn your water off before starting work on your plumbing.
Be gentle with the parts inside your toilet tank. Using a calcium remover when clearing bowl inner ports and jets will help tremendously....but be certain to read the container and follow all handling/use instructions you read. Be careful.....Nick

Mar 06, 2015 | Plumbing

1 Answer

Water does not shut off

This has 3 common reasons and easy fixes to each: 1, the stopper or flapper ball at the bottom where the water exits the tank may be worn or improperly seating on so the water keeps leaking down into the bowl. The tank will lose water, the supply will keep feeding the tank. Turn off the supply valve to the tank. It may help to apply a little petroleum jelly to the flapper ball to get a water-tight seal. If it's worn, replace it. If the water is running into the over-flow tube, you may be able to fix this by adjusting the water level by either turning a screw on the water supply assembly on some models, or by lowering the float ball or float coupling on the water supply stem assembly. If none of these seem to help, new inserts for tanks are easy to replace and relatively inexpensive.

May 09, 2014 | Plumbing

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I believe they screw in and out.

Dec 08, 2012 | Plumbing

1 Answer

Model #400A the water in the bowel is to high

There should be a knurled know that you raise and lower the float. The lower you set the float in the tank, the sooner the water will be cut off. It will also lower the water in the bowl.

Jun 09, 2011 | Fluidmaster INC #B1FV12 12" Faucet...

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Hi Dale,

I worked at a Kinetico dealership for 6 years. I am very familiar with the quad 50. Unfortunately, Kinetico can only be serviced by a kinetico dealership, or someone who has the parts and the know how. They can be difficult to diagnose and fix if you are not familiar with them. You say you want to change it out and replace it ? You might be better taking it in to a kinetico dealership and having it serviced. They are worth it. If not, you can go on the internet and shop for a water softener. or

May 04, 2011 | Plumbing

1 Answer

My cold water tank in loft is not filling

the ball float in the tank has stuck shut. Access the tank and free off. It may need replacing

Aug 19, 2009 | Plumbing

1 Answer

Problems with reverse osmosis water treatment system Treatment systems for household water supplies gives a great description for reverse osmosis systems. I am not familiar with the Maruyama system since I live in the states. After reading the above article you might want to test your water. Your system may be operating properly? To me it soulds like you have a water softner and flushed the salt out, and now you have the proper pellets? If your water is not very hard you shouldn't use too much salt. Building supply stores sell cheap water test kits. Try that, and if your water tests ok, and doesn't smell, and lathers up with soap sounds like everthing is working ok. Hope I helped

Apr 24, 2009 | Mountain Plumbing AG600S Air Gap for...

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Frozen drain lines from house

If it is your drain line frozen there must be a clog in the line somewhere because drain lines should never hold water. If it is a trap or goose neck under your house or trailer, you can carefully thaw them with a propane torch very slowly, or a Heat Gun very slowly, or even a Blow Dryer. After the trap or gooseneck is thawed out, run some hot water until your drain works as it used to. Then you can put Heat Tape on the trap so it does not happen again. Use the proper heat tape rated for metal or PVC plasic pipe according to instructions. Disconnect the electrical supply for the Heat Tape in the Spring as weather permits.....Joe

Jan 07, 2009 | Plumbing

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