If your have lost pressure in both your tub and shower heat this may be the cause.
Delta monitor bathtub faucet leaking.
Plumber s grease delta tub faucets contain rubber seats that look similar to washers as well as metal springs to help regulate the flow of hot and cold water through the faucet.
It is extremely rare for a faucet to develop a leak under the counter.
Just don t exert too much pressure or it will bend.
If you have quick snap connections and experience leaking at the connection points quick snap may not have been properly installed.
Repairing a leaky delta 1400 series shower faucet requires a replacement cartridge assembly kit and a few.
For a complete list of parts tools and a printable pdf of the steps please see my blog post on the repair.
Lift the stopper out.
You have saved items.
When troubleshooting a leaking faucet choose your delta faucet type identify your leak location in the diagram and review the associated solutions and recommended replacement parts.
Reattach the nut that holds the horizontal rod to the pop up body.
Then remove the faucet handle body and set it aside.
Unscrew the stem unit nut with channel locks.
If the faucet is leaking from under the handle replacing the cam and packing should solve the problem.
Remove the round metal stem and pull out the ball and cam and packing.
Deterioration of the internal seats and springs can lead to water leaks from the faucet.
Test to see if water is leaking around the flange by plugging your drain with a rubber stopper.
And take a picture of the stem unit before you remove it with the channel locks.
With quick snap connections newer delta widespread faucets feature quick snap installation.
With the cartridge removed this is what the inside of the body looks like this one has a fitting i have not seen in earlier models of the delta monitor tub and shower faucets it s a little strainer or screen.
When you start to see water leaking out of the spout you will need to replace the worn seats and springs to correct the problem.
Unscrew the delta faucet handle by hand and use an allen wrench to loosen the set screw that holds the handle body in place.
Use channel lock pliers in quick short bursts to break the seal.