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We have Culligan Mark 1000 Automatic Water conditioner. Need diagram of system to show how to bypass system for watering plants and grass. Thanks

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To by-pass the Culligan mark 1000 twist the knob counter clockwise and push it all the way to the right. Here is a link for the MK 1000 manual.

Posted on May 21, 2011


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Posted on Jan 02, 2017


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How to. Bypass water conditioner of Culligan Estate 2

At the top of the conditioner, there is a tube running across the back of the head near the water line connections. the tube has push knobs on each end. With the blue knob pushed fully inward (knob up against the barrel of the valve / tube), water is routed through the water conditioner where it is softened. Water may be bypassed around the conditioner by pushing the red knob fully inward. Avoid "slapping" the valve when shifting from one position to another. see manual here:

Aug 22, 2017 | Culligan Measuring Tools & Sensors

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My softener is a Culligan Mark 89. Water looks clear but is real salty. I bypassed the system and purged the lines to get rid of the taste.

Call Culligan for service. You have a serious problem as it sounds like your resin bed is not going through the backwash cycle before returning to operate mode.

Normally when your water softener goes through a recharge cycle, a solenoid operates to bypass the system while brine (extremely salty water) is drawn into the resin tank to perform the ion exchange process. This is a timed process. Once it completes then your softener switches into backwash mode where the resin bed is flushed with clear water. Finally at the end of the recharge cycle the softner switches back into normal operation.

This is not something that you can fix yourself. Contact Culligan immediately.

Nov 01, 2014 | Measuring Tools & Sensors

1 Answer

I have a culligan ac-15 ro system and changed the filters. Put back in excatly like the diagram shows and now in 2 days it only makes about 3 cups of water. The tank has 7 psi and if I take out the...

RO membranes are made of plant material and they can spoil if they are unsealed and sat for a while in the warehouse. Even a small hole in the storage bag could cause problems.

Aug 18, 2014 | Tools & Hardware - Others

1 Answer

We have a culligan mark 1000 we wish to buy a starter motor

Since the parts for all Cullligan units are proprietary you will need to contact your local dealer for parts.

Dec 28, 2012 | Culligan 34" Whole House Water Filter...

1 Answer

My culligan mark 100 soft -minder water softner salt tank overfills

First check the eductor assembly. Top of valve under chrome plate. Pull it out and clean it (after bypassing and depressurizing the system)
If that is OK the the brine piston will need to be replaced. There is a rebuild kit for this series valve that is about $120 that includes the refill piston and a retrofit kit. It would be wise to rebuild the valve.
See your local culligan dealer

Nov 23, 2012 | Culligan Sediment Water Filter Heavy Duty

1 Answer


If the softener is trickling to the drain it needs the sealpack replaced. This is the main piston and seals all as on unit. There is a bad seal causing water to bypass it and run to drain. Sealpacks are available from your Culligan dealer. If you are a do it yourselfer it takes about 20 minutes to replace the sealpack.

Aug 12, 2010 | Culligan Sediment Water Filter

1 Answer

I need a water diagram for a culligan water system serial number is AC10001293

Here is a link to the Culligan website for the AC 30 owners manual. It has a breakdown view of the RO.
This is about as close as you will get to a water diagram for the RO. The only place to find a flow diagram is in a service manual and those are well protected by Culligan.

Jun 19, 2010 | Culligan Under Sink Water Filter

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Water has been trickling to the drain for at least a couple of hours now, maybe longer. I just noticed it this morning. It's currently in regular run mode and not in regen mode. I put the valve to...

There is a problem with the main piston/sealpack assembly and it needs to be replaced. You can get this kit at Culligan and replace it yourself, if you are handy, it takes about 20 minutes. Replace the refill piston at the same time. Or have Culligan do it.

May 15, 2010 | Culligan Sediment Water Filter

1 Answer

O-rings leak on a culligan mark 50 water conditioner

Neither a manual or parts are available for this this valve. It is obsolete.

Nov 22, 2009 | NRS Fleck 5600 - 64,000 Grain Timer Water...

1 Answer

My (mark 100 automatic) water conditioner was unpluged for a couple of weeks. Since pluging it back in, it has regenerated every night for the last 10. The salt container is half full and shut off valve is...

If this is an Aquasensor model. The probe is sending a signal to regenerate. It needs to be pulled and cleaned. You would need to call culligan for this repair.

Mar 09, 2009 | Culligan Sediment Water Filter Heavy Duty

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