Question about Kohler Coralais Black Single-Control Pullout Spray Kitchen Sink Faucet

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Low flow from Kohler K15160 spray kitchen sink faucet. If I take off the spray handle I can fill a jug through the hose alone (including the filter screen) in 15 seconds while with handle on the same volume takes 55 seconds. The reverse flow prevention flap seems to be functional.

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Are you sure the spray handle is allowing the valve to open enough to allow enough water through? The problem it seems like is physical or mechanical. I am assuming you get good water flow through the faucet itself.

Posted on Mar 04, 2009

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Where can I get a new valve cartridge for our Kohler Coralais R15160-CP faucet? It keeps flowing more slowly and I have cleaned all the filters in the pull out head, etc. The dishwasher on the same line...


Most cartridge's are specific to their faucet and need to be ordered from the manufacturer. Home Depot or another place like that, that carries Kohler plumbing supplies should be able to get one for you and may even have one in stock. Good luck.

Oct 17, 2013 | Kohler K-15160-7 Coralais single-control...

1 Answer

Kohler sprayer with forte single handle, will not spray well. When sprayer is on the flow to faucet cuts off but there is only a small amount of water coming out the sprayer.


Check to be sure the hose isn't kinked somewhere below the faucet. If there aren't any kinks there is likely debris stuck behind the nozle screen, remove it and clean it- or your handle mechanism is broken. Replacement handles and hoses are fairly inexpensive if you need one they're easy to find at most big hardware stores or on Amazon

Sep 05, 2013 | Kohler Kitchen Faucets. Forte 1-Handle...

1 Answer

Kohler a112.18.1 diverter will not spray


Generally the sprayer trigger assembly will unscrew from the hose. You can then point the hose toward the sink and turn on the
water. It should flow freely through the hose when either the hot or cold is on. Generally there is a aerator on the spray head. You can access it by unscrewing the tip of the sprayer assembly and clean out any mineral deposits. There may also be an inline type filter in the handle where it screws onto the hose that can be removed and cleaned. If this doesn't help I would guess the on-off triggering assembly is broken and you would have to replace the sprayer head.Hope this helps.

Jan 05, 2013 | Kohler Plumbing

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My kohler k15160-96 kitchen faucet drips. . How can I fix it?


You will need to replace the cartridge in the faucet

Jun 25, 2010 | Kohler Home

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Hi just moved in new home love it but the water pressure in kitchen is very low but the two baths i have the water pressure is fine can you help me please


One thing you could try is to remove the aerator at the end of the spout on the faucet, Turn water on and see if pressure is any better. If so the aerator is got something in it restricting the flow.
You also can remove the dime shaped flat in the aerator to increase water flow. It looks like a dime with a hole about 1/8" in center to restrict the flow to about 1.6 gpm. Remove it and reinstall aerator and check water flow

Most of the times when cold and hot side of faucet.It would be the first thin to check being you have good water pressure at other faucets. They catch debris and the flow slows down from the faucet's. Check out supply lines and faucet for a blockage if this doesn't take care of the problem.

Check out this web sire for a parts breakdown of parts in faucet. Check out installation and rough in sheet for information on faucet below.
http://www.needplumbingsupplies.com/Kohler-Kitchen-Sink-Faucets.asp?id=3628

Jun 15, 2010 | Kohler K-12176-PB Fairfax Single Handle...

1 Answer

Water volume has been getting very slow


Could be a blockage in the valves and check any filters any where in line.some sinks in kitchen have a filter under sink and check valve to make sure they are opened all the way.

Apr 29, 2010 | Kohler Fort© Single Lever Handle Kitchen...

1 Answer

Kohler Fairfax single control kitchen sink faucet


Remove the air-irater at the end of the faucet where the water comes out. That is where 99% of clog are on faucets. If that does not do it then you need to replace the cartridge.

Good Luck and please rate 4 thumbs up for the free answer.

Mar 19, 2010 | Kohler Fairfax Single Control Lavatory...

1 Answer

Kitchen faucet handle won't keep consistent flow


Is this a Moen???

Yes it is fixable and easy.To save you time because I belive you will be needing a new part from Moen I am sending you this easy link to quickly resolve your issue. Just be sure to tell Moen you are original owner of faucet and all parts are lifetime free including shipping. Go Moen!!!

Thanks and Please Rate jj505

http://www.moen.com/contact.cfm?location=TopNavCustomerSupport

Thanks and Please Rate jj505

Apr 07, 2009 | Moen Monticello Single-Handle Kitchen...

1 Answer

Loss of pressure in kitchen faucet - Price Pfister


Your problem is a simple one.

  1. Turn off water to faucet.
  2. Place a towel(s) in the base of the sink(s) to prevent any parts from going down drain.
  3. Remove the handle to the faucet. (single handle only)
  4. If not a single handle then remove spout from faucet.
  5. If a single handle remove cap carefully and any loose parts.
  6. Gently turn spout side to side while lifting to remove.
  7. You will see a hole with a very small valve where the water comes out to the spout on the base of the faucet.
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  1. Remove this valve (which is a backflow preventer) and replace.
  2. Reassemble and test.
Problem solved.

Dec 04, 2008 | Price Pfister Marielle Kitchen Faucet with...

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