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My kitchen sink water pressure is lower than rest of house even when I remove the faucet head. (a Brizo single pull-down faucet). When I remove the hose from the valve and turn on the valve into a bucket under the sink the pressure is good. Could I have a bad hose or check-valve?

  • Is it on both hot and cold? Did it used to work fine but now it doesn't? Sometimes there is a water reducing device inside the faucet hot and cold lines under the sink. Not inside the supply line from the valve but the faucet itself were the supply lines connect to. Have you checked there? – HazardousGlitch Jan 5 at 22:05
  • In addition to @HazardousGlitch's note, some faucets have screens where the lines connect, or plastic "joiners" and calcium can buildup here, causing the same issue. So yes, the faucet could be beyond repair, but you could try soaking it in CLR, blowing air through it, etc. This can happen especially if other plumbing work was done in the home, or on the street, and the tub was not ran for a good while. – noybman Jan 5 at 22:41

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