How to Change Bathroom Shower Faucet?

bathroom shower faucet

Over years of constant flow and handling, shower faucets gradually wear down. Knowing when and how to replace your bathroom shower valve and trims keeps this essential fixture working reliably. 

  • Frequency of use impacts wear on valves and finishes
  • Typical life expectancy is around 15-20 years
  • Replace leaky, stiff, or corroded units promptly

Evaluate usage patterns, service life, and replacement considerations for common tub/shower scenarios.

Shower Faucet Installation Factors

Bathroom layouts dictate faucet finish exposure and operation patterns. For example, shared family tub/showers see more frequent flow adjustments and finish wear than private master bath rain head showers. Installations should stand up to the expected usage.

Tub/shower combos require valves with diverters to switch between bath spout and showerhead flow. These also allow temperature adjustments for bath fill comfort. So, valves have higher mechanical demands than single-use showers.

Service Life & Replacement Needs

On average, bathroom shower valves and trims last 15-20 years before requiring replacement. The buildup of mineral deposits can restrict flow sooner, indicating swap time. With routine cleaning, higher-grade cartridge valves operate smoothly for decades.

But any persistent leakiness, cracked handles, seized rotation, or corrosion indicate a shower valve has reached replacement age even if under 20 years old. Catching issues early prevents more repairs later.

Replacing Shower Faucets

When your old shower valve begins leaking or functioning poorly, replacing the entire unit restores performance and eliminates issues. Follow this step-by-step guide for smooth faucet replacement:

1. Turn Off Water Supplies 

Locate the main water shut-off valve for your home and turn it off to stop flow to pipes. Also switch off the hot and cold supply valves specific to the shower if present. Open the shower handle momentarily to release pressure and drain lines.

2. Remove Old Faucet Components

Take photos of your existing setup for reference. Remove the showerhead, escutcheon plates, knobs, and trim surrounding the valve. Unscrew the spout. Finally, extract the valve body itself using a wrench or pliers if needed.

3. Inspect & Replace Supply Lines 

Examine exposed supply pipes for damage and measure their diameter. Replace worn or restrictive lines with new chrome pipe or flexible stainless lines.

4. Install New Valve Body 

Position the replacement valve correctly in the wall void based on supply line locations. Ensure it is square and anchored firmly to stud framing. Extend supplies to optimal connection points.

5. Attach Handle Trim & Spout 

Screw on the new handle trim kit components, including levers and escutcheons, oriented properly onto the valve stems. Then mount the new tub spout in the exterior hole, sealing with caulk.

6. Connect Supply Lines 

Connect hot and cold supply lines between valve outlets and supply stops. Flexible braided stainless hoses simplify positioning. Ensure tight compression fittings.

7. Install Showerhead & Drain 

Mount any wall-arm brackets, slide on escutcheon plates, and secure the showerhead itself. Also install or verify proper operation of the tub drain assembly.

8. Restore Water & Confirm Operation 

Reopen all water shutoffs, check for leaks, turn on the shower valve, and verify smooth handle rotation and temperature adjustment. Finally, caulk trim edges for a finished look.


Knowing the expected service life and replacement needs of your bathroom shower valve allows timely swaps before leakage and corrosion accelerate. For DIY installs, flexible supplies ease adjustments. Or rely on professional expertise tailored to your exact shower layout. This keeps your bathing experience refreshing.

To get the highest-quality bathroom faucets, check out the premium collection of Wangel!

Article Sources
The Wangelgroup uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Our commitment to accuracy and reliability ensures that readers receive well-researched information they can trust.

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