How To Remove Shower Valve Stem

Slide the handle and bonnet off the valve.
How to remove shower valve stem. With a little patience and simple skills you will learn steps to replace shower valve. Remove the screw holding the handle in place then pull the handle free of the valve stem. By hand unscrew and remove the escutcheon to expose the stem.
Gently pry the cover plate from the escutcheon to expose the two screws. See below for a shopping list tool. Replacing a shower faucet valve can be divided into two phases.
This old house plumbing and heating expert richard trethewey fixes a faulty shower valve with new valve stems and seats. Then shut the water off and cut a hole in the small opening behind the trim plate so you can reach the valve. There might be many reasons to replace a shower faucet but a common one is to install a new pressure balanced valve that senses fluctuations in the system and keeps the water temperature constant even if other fixtures and appliances are running while someone is showering.
Removing the old valve and installing the new valve. You turn the water off dissemble the faucet handle to expose the cartridge and then pull the cartridge out. Push the new stem into the wall and tighten the bolts back up.
Using a 3 32 hex wrench loosen the two setscrews. Take your new shower faucet stem and make sure that it is a suitable match for the other. Next bend over and remove the cloth blocking the drain.
To replace a shower valve start by unscrewing the shower handle and trim plate so you can remove them. Unthread and remove the adaptor from the valve. Step 5 replace the stem and put the faucet back together.