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Bud
Bud, Plumber
Category: Plumbing
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Experience:  22 Years Field Experience - 17 Years Business Ownership - Residential or Light Commercial
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The water flow through my kitchen faucet has reduced to a trickle.

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The water flow through my kitchen faucet has reduced to a trickle. I have checked the pipes under the sink and made sure the valves are open. All other places in the house are working normally, with no change in water pressure. I checked under the house and outside for leaky pipes and found nothing. The kitchen faucet is a moen single handle with a spray attachment in the head. It is about 6 years old. What is wrong? Do I need a new kitchen faucet?

Hi ,

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I am
Bud - Your personal online "Plumbing Consultant"


 

For a sink I would try the following tests:

 

  • 1. Unscrew the aerator at the tip of the faucet and remove, then turn on water to see if pressure is good; if so then take apart and clean the aerator, then reinstall . If pressure is not good...go to next step.

 

 

  • 2. Shut-off hot or cold water supply under the sink and unscrew the supply line from the faucet; put the end into a bucket and turn valve back on. If pressure is good, the problem is in the faucet/ cartridge and you will need to take the faucet apart to flush out the area where the cartridge sits. If pressure is not good...go to next step.
  • 3. Shut-off hot or cold water supply under the sink and unscrew supply line at shut-off valve and attach new supply line; put the end into a bucket and turn valve back on. If pressure is good, the problem is in the supply line between faucet and shut-off valve and replacing it will fix the problem. If pressure is not good...go to next step.
  • 4. Shut off main water supply and take hot or cold water shut-off valve apart to inspect the rubber gasket and to see if it possibly is blocking the openings, even when the valve is open. Replace shut-off valve if necessary, I recommend a quarter turn valve.

 

 

 


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Customer: replied 7 years ago.
Thanks, XXXXX XXXXX try what you suggest with all the lines. I can't do what you suggest in #1 because my faucet is one of those that the head comes out and has a spray attachment integrated into it.
In that case, the head may need replaced to correct th pressure..