Master Bathroom Tub Leak Fixed with Shower Valve Replacement
A homeowner noticed their master bathroom tub was leaking even when the shower was turned off. This is a common plumbing issue often caused by a worn or damaged shower mixing valve. When the internal valve components fail, water can slowly pass through the valve and drip from the tub spout even when the handle is fully shut off.
After inspecting the plumbing behind the shower wall, it became clear the existing Sterling shower valve had failed internally and could not be repaired. In situations like this, replacing the entire valve body is the most reliable solution to eliminate leaks and restore proper water control.
The old valve was removed and the plumbing connections were prepared for installation of a new Moen single-handle shower valve. Proper installation requires careful pipe preparation, secure connections, and correct valve depth so the shower trim and handle operate smoothly while maintaining balanced water temperature.
After installing the new valve, a Smitty plate repair trim was added to provide a clean finished look and cover the larger opening left from the original valve. Final leak testing confirmed the tub no longer drips when the shower is turned off and the plumbing system is operating correctly.
Diagnosis & Valve Removal
This image shows the old Sterling shower valve components after removal. Once the valve was confirmed to be the cause of the tub drip, the defective parts were taken out so a reliable valve replacement could be installed.
Accessing the Shower Valve
Here the wall opening exposes the existing shower valve and copper water supply lines. Accessing the valve allows the plumber to disconnect the faulty valve body and prepare the plumbing for the new Moen replacement valve.
Shower System Reassembled
After installing the Moen single-handle shower valve, the tub and shower area was reassembled. The plumbing system was tested to ensure the valve shuts off properly and the previous tub drip was eliminated.
Finished Trim & Smitty Plate
This close-up shows the finished Moen shower handle and trim with a Smitty plate repair escutcheon. The plate provides a clean finished appearance and covers the larger opening from the previous valve installation.