Question about Delta Model 470: Signature Kitchen Pull-Down/Out Faucet - White

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We have a Delta kitchen faucet with a pullout sprayer everything was fine for over a year then it started making a bang bang rattle sound very loud only when the hot water is on it only does it about ever other time.. I think maybe we have air in the line ??? how do I solve this poblem??? \r\nThank you

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Delta comes with a limited lifetime warranty. call them to get free parts. I believe you will need to check several things. Remove the spray head from the sprayer hose, point the hose into the sink drain and turn the faucet on. If it no longer makes the banging noise, replace the spray head. You need to look for a leaking spray hose under the sink also. If the faucet is making noise, replace the ball and cam assembly under the faucet handle. One other thing that I have run into is that the shut-off valves under the sink can also go bad and cause banging and vibration.

Posted on Sep 06, 2010

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