What you ll need to repair the faucet.
Fix leaky delta bathroom sink faucet.
Shut off the hot and cold water supply valves which are usually silver knobs under the sink.
This is different from a true cartridge style faucet which closely resembles a stem faucet but does not have valve seats and springs.
Unscrew the delta faucet handle by hand and use an allen wrench to loosen the set screw that holds the handle body in place.
If you have a knob handle you need rp188.
Identify the area that is leaking.
5 to 15 delta bathroom and kitchen faucets with two handles often are stem style faucets that include a neoprene valve seat and spring the fit into the faucet below a cartridge like insert stem.
If it is you may just have to tighten the handle s adjusting ring.
Then find the solutions to that area below.
If you do not find the answer you need here please use the technical document search to find maintenance instructions for your specific model.
Unscrew the stem unit nut with channel locks.
If that doesn t do the trick you ll need to change out the faucet s seats and springs.
How to fix a leaking faucet in the single handle bathroom faucet repair delta bathroom sink faucet repair delta repair kit for faucets rp3614 delta haywood stainless 1 handle 4 in single handle centerset lavatory faucet 502 wf deltasingle handle centerset bathroom faucet b512lf deltadelta foundations 4 in centerset single handle bathroom faucettroubleshooting a leaking.
Turn on the faucet to drain any water in the lines.
Then remove the faucet handle body and set it aside.
My bath sink two handle centerset faucet leaks.