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R/o system faucet dripping what is the problem

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My Kenmore under sink water filter has a dripping faucet. What is the problem?

Posted on Jun 05, 2009

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The faucet drips. the water has been shut down for 6 months

The rubber washers tend to perish after a while and with the water off the rubber has most likely dried out. You need to pull the tap apart and change the rubber washers to put things right. It's not a hard job to do yourself but there are 4 standard sizes of tap-spanner; one of them is probably right!

Give the whole assembly a rinse with water from a jug you set aside before shutting off the main water out the front of the house. <ahem> That's right, before you dismantle the tap make sure you shut off the water supply to the house!

If you're still not sure, call your local handyman to do the job. He can probably do it on a shorter time frame and just as well as a plumber.

Oct 24, 2013 | Culligan Under Sink Water Filter

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When I start to unscrew the filter case water comes squirting out. I have turned off the water but some water keeps dripping out of the faucet.

The water shut off is probably faulty and may need to be replaced, especially if it is a needle valve. If this a reverse osmosis system you need to shut the water off at the tank before removing filters.

Oct 30, 2011 | Culligan Under Sink Water Filter

1 Answer

I have an AC 30 and it does not appear that the local culligan dealer installed the flush line correctly as per the diagram in the owners manual. It shows the flush line coming off of the faucet assembly...

The flush rate is dependent on the Membrane used (IE: 16gpd, 35gpd, 50gallons per day), the TDS of the water, the amount of water used daily from the RO and the size of the storage tank. When the RO is creating water (depending on TDS) you will waste about 3 gallons for every gallon of product water. If the system is under the sink and drains directly to the DWV line then yes the drain should be run through the AIR GAP faucet to prevent cross contamination of the RO system.

Feb 13, 2011 | Culligan Under Sink Water Filter

1 Answer

My system vibrates & resonates loudly when the ordinary tap is switched on. Also, water comes out of the filter tap when it isn't turned on, sometimes in a stream, other times constantly dripping. Have...

You are getting water feeding back to the kitchen faucet from the filter system. A check valve needs to be installed on the line feeding the drinking water system to prevent this. Excess pressure may also be causing these problems. An in-line flow restrictor may alleviate the dripping.

Oct 27, 2010 | Culligan Under Sink Water Filter

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How do i unhook the spigot from my undersink reverse osmosis system i cant get the hose connections to release so that i can take the spigot off the sink. i am putting in a new sink

If they are quick connect fittings make sure all the water pressure is off the lines. Turn off the RO tank and valve feeding system, open the faucet and try taking lines off again. If no luck, mark the lines with masking tape and cut them a couple inches below faucet to remove.

Oct 24, 2010 | Culligan Under Sink Water Filter

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A replaced the Culligan 250A filters and now everytime you turn on the water from any faucet in the house you here 2 beeps.

I suggest installing an in-line check valve on the feed line to the Culligan filter and resetting the meter on the filter system. You may be getting water water feeding back out of the filter system when other faucets are run causing the meter alarm.

Aug 20, 2010 | Culligan Under Sink Water Filter

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My culligan water filter makes a gurgle sound

The reverse osmosis faucet you have incorporates an AIR GAP to prevent cross contamination to the RO system. The waste water first goes up the to RO faucet AIR GAP and then goes to drain. The "gurgling noise" is the waste water going to drain. Some of these are much noisier than others.

Jun 10, 2010 | Culligan Under Sink Water Filter

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The smart tap on my culligan RO filter system drips continuously. How do I fix it?

The drain line between the faucet and the sink drain pipe is probably clogged.

  1. First turn off the water to the RO system and close the valve from the storage tank.
  2. The hardest part is figuring out how to detach the tubes and couplings The link below shows how to do this. You do not need tools.
  4. Remove the connector from the sink drain. Then remove the connector from the tube,
  5. I used a small skewer to clean out the gunk from the connector and then rinsed it out.
  6. I used a long skewer to loosen the gunk in the tube, then turned on the water to the system to force the gunk out.
  7. Then I just put it back together and it worked.

May 31, 2010 | Culligan Under Sink Water Filter

1 Answer

Culligan RO sstem has recently stopped producing more that 6 oz

This might be a possible tank pressure issue. This could also be a clogged filter. I would first check the tank pressure by using the following steps

Necessary Supplies:
1) Tire Gauge marked in 5psi increments (ie 5, 10, 15, 20psi, etc.)
2) Bicycle tire pump for standard type bike tire valve

To recharge RO System Tank:

1) Close cold water feed valve (valve located at some point along the cold water line from street plumbing).*
2) Leaving RO tank valve on, turn tank on side & locate valve stem on bottom side.
3) Remove stem cap.
4) Drain all water out of tank through open RO faucet into sink. (Continue to leave RO faucet open throughout procedure)
5) If current tank pressure is insufficient to empty tank, apply tire pump to valve stem and pump 10 – 15 times. Exit flow will increase and then gradually decrease as pressure equalizes. Do not overcharge internal bladder of tank during this procedure.
6) Repeat step #4 until tank is completely empty. (Tank is empty when additional pumping produces no more water)
7) At this point, adjust EMPTY tank to exactly 7psi. (Gauge reading midway between 5 & 10psi is sufficient)
8) Turn off RO faucet.
9) Replace cap on valve stem and reposition tank in upright position.
10) Open cold water feed valve.*
11) System water is useable immediately, however, tank will take 3-4 hrs to completely refill. The Water Super Store: 1-877-335-3339

Mar 19, 2009 | Culligan Under Sink Water Filter

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