Pull Down Faucet Leaking Under Sink

Turn on the faucet and allow any residual water in the pipes to drain into the sink.
Pull down faucet leaking under sink. The part number of the sprayhead hose will vary depending on the faucet model number. Many times this leak is coming from the spray wand and hose connection. A cup or bowl properly positioned under the faucet spout can also work. Once you have disconnected the hose if you have a plastic weight on your hose you can now slide it off.
The issue will be resolved by replacing the sprayhead hose. Wipe inside of body including where seat and spring sit with a soft cloth. Continuous leak when faucet is off. Solution for the leak.
Go back under the sink and slide the plastic weight back onto the hose if necessary. If you suspect a spout leak you can use a paper towel or small container to test it out. Pull out the faucet spray wand from the spout and unscrew it from the chrome pullout hose. In some faucets a symptom of a worn out spacer check valve is water leaking from the weep hole a small hole located in the back of the faucet body.
Click here to identify your faucaet. If there is a lot of water deposits you can clean this by setting the faucet head in some vinegar for about 30 minutes. Replace the seals o rings to return the faucet to water tight operation. The spacer check valve assembly is located under the valve in the faucet body.
Continuous leak while faucet is on. Confirm that the spray wand and pullout hose connection is tight. Place new seat over new spring delta genuine part rp4993 two sets per package and insert into socket in body using a pencil or an allen wrench. Dry the sink up after using the faucet then place a dry paper towel under the spout over the drain opening and check back later to see if it is wet.
Be careful not to. Screw this portion of the faucet off and take a look on the inside. If tightening the connection did not stop the leaking the faucet will need to be identified for the correct part numbers. Water will leak at the sprayhead and hose connection or may run down the pull out hose and leak under the sink.
Identify your faucet model number. The part number for the replacement seals will vary depending on the faucet model number. Small end of spring goes into seat large end of the spring goes into the faucet body.