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Step 11 · Install New Trim and Final Test

With the wall fully repaired, you can install the new shower trim. Slide the escutcheon plate over the valve and secure it to the valve body with the provided screws. The bead of silicone caulk you applied should create a nice seal behind it. Install any sleeves or adapters per the manufacturer's instructions. Finally, attach the new handle and tighten its set screw. Turn the water on and perform a final test of the valve, checking for proper hot and cold operation and a smooth feel.

Install New Trim and Final Test - How to Replace a Shower Valve Through a Tiled Wall - Stesso