Thump sound when turning on the water, (kitchen faucet)

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by djryval, Nov 14, 2007.

  1. jsteelio

    jsteelio New Member

    Jan 26, 2011
    Atlanta, GA
    Last edited: Jan 30, 2011
  2. Bpbeals

    Bpbeals New Member

    Jan 27, 2012
    Hampden Me
    I complained to Delta and they set me a new deverter valve and told me to flush the system and install new valve. I tried this and it made no differance, so then I removed the aerator from the faucet and tested, results no thumping so I summize that the aerator is overly restrictive so I disassembled the aerator and made the hole in the middle of the blue disk larger and reassembled it and now the faucet works perfect and it dosent take forever to fill a pan with water.
  3. Harrys Home Improvement

    Harrys Home Improvement New Member

    Feb 10, 2012
    New Jersey
    Tkanks for the tip about the knocking faucet,I knew it was air in the line some how, I turned on the faucet full blast,slowly depressed on the sprayer, she was thumpin,bumpin and rockin! tryed the faucet sounded alot better , repeated step #1 my problem is solved! To say thanks I can a quick tip on cleaning a really stained and dirty stove top, You know those little dish washer pellets , I use the finish brand , a wet sponge with the pellet sticking out cleans the crud and won"t scratch enamal or porcilen. THANKS AGAIN! HARRYS HOME IMPROVENT!
  4. joe k

    joe k New Member

    Feb 21, 2012
    Thank You

    I had a plumber come out and had never seen this and couldn't fix it and this was the problem the hot water valve was half on.
  5. plumberpanja

    plumberpanja New Member

    Dec 31, 2013
    New York
    I had similar problem - thumbing noise while turning ON the kitchen faucet ( which was replaced 2 days back). If I turn it ON slowly, no noise, if turn ON while pressing on the water sprayer then very low/no noise. I had called the plumber back, he found some debry deposited at the tip of the faucet. He has cleaned the debris. Now it is fine, no more noise.
  6. Bryanroks

    Bryanroks New Member

    Aug 7, 2015
    Green Valley, AZ
  7. Jaime Valenzuela

    Jaime Valenzuela New Member

    Dec 19, 2015
    I called Delta Faucets and got the answer, UPGRADE the aerator!!! Problem solved....
  8. Bert Pool

    Bert Pool New Member

    May 28, 2016
    We had this same thumping issue with a brand new Delta kitchen faucet. I bought a new Delta faucet, thinking it was a one-time manufacturing defect. The new faucet does the same thing. It is just a very poorly designed faucet - this should have never left the design labs! The solution? I'm going to my local big box hardware store and buying a different brand replacement faucet. It's been an expensive lesson. I will never buy Delta again.
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