This could happen if there is debris in the faucet or water supply lines, or the diverter assembly could be malfunctioning.

  1. Turn off the water supplies.

  2. Disassemble and remove all internal faucet components.

  3. Place and hold an upside-down bucket over the faucet to deflect water into the sink.

  4. Carefully turn water supply on and let run one minute.

  5. Turn water supply off.

  6. Reassemble the faucet.

  7. Turn water supply on.

If problem persists, we recommend replacing your aerator (Delta® Genuine Part RP18508).


To access the diverter -- Single-handle faucet:

  1. Shut off water supply under the sink.
  2. Cover drain opening so parts won’t fall into it.
  3. Remove the handle, cap, cam, packing and ball assembly.
  4. Gently rotate and lift off the spout.
    leakspraysingle3
  5. Remove the diverter assembly. Be sure to remove the entire diverter.
    leakspraysingle4.jpg
  6. Insert a flat head screwdriver or an Allen wrench into the body cavity to pop out the diverter. Check for debris on the diverter, as well as in the diverter cavity in the faucet body.
  7. Clean the diverter thoroughly by soaking in a 50/50 vinegar and water solution for two hours; reinstall. If diverter appears damaged, replace it with Delta® diverter RP320.

To access the diverter -- Two-handle faucet:

  1. Shut off water supply under the sink.
  2. Cover drain opening so parts won't fall into it.
  3. Unscrew and remove the spout nut. Use a crescent wrench to loosen if necessary.
    leakspraytwo3.jpg
  4. Unscrew the diverter from the top of the body using a coin
    leakspraytwo4
    (if the diverter is plastic) or a screwdriver (if the diverter is metal). Be sure to remove the entire diverter.
  5. Clean the diverter by soaking in a 50/50 vinegar and water solution for 2 hours. Flush any debris from the opening.
  6. Replace the diverter and spout nut.
    leakspraytwo6.jpg
    Check to see if the diverter functions properly. If not, replace it with Delta diverter RP6073. Be sure that the old diverter gasket is removed from the diverter cavity. The new diverter may not operate correctly if the old gasket is not removed.

Be careful not to over tighten the diverter.

NOTE: Old style metal and current-style plastic diverters are interchangeable.

Sprayer Hose