If your shower faucet is old, leaking, or just looks outdated, you may be wondering: can I change a shower faucet myself? The good news is that in many cases, yes, you can. Replacing a shower faucet is a manageable DIY project if you’re comfortable with basic plumbing tasks. However, whether you can do it yourself depends on the type of faucet, the age of your plumbing, and whether you need to replace just the trim or the entire valve behind the wall.
When You Can Change a Shower Faucet Yourself
You can typically handle the job if:
- You’re only replacing the shower trim kit (handles, escutcheon plate, showerhead).
- The existing shower valve is still in good condition (no leaks or corrosion).
- You have access to the right tools, like an adjustable wrench, screwdriver, and plumber’s tape.
- The new faucet trim kit matches the existing valve brand and model.
In these cases, replacing a shower faucet is as simple as removing the old trim and installing the new parts, often taking less than an hour.
When It’s Best to Call a Plumber
You may want professional help if:
- The shower valve itself needs replacement (e.g., leaking, stuck, or outdated two-handle design).
- You want to switch from two handles to a single-handle faucet for modern control.
- Your plumbing is very old or corroded and may break during the process.
- You don’t have an access panel behind the shower wall, meaning the wall must be cut open.
Valve replacements require shutting off water, soldering or connecting new pipes, and resealing the wall—tasks better handled by a licensed plumber unless you’re highly experienced.
Tools You’ll Need for DIY Replacement
- Adjustable wrench
- Screwdriver set
- Allen wrench (for set screws)
- Plumber’s tape (Teflon tape)
- Silicone caulk (for sealing trim plate)
- Replacement faucet or trim kit
Step-by-Step: How to Replace a Shower Faucet Trim Kit
Step 1: Turn Off the Water (if needed)
If you’re just replacing trim, you usually don’t need to shut off the water supply. For valve replacement, water must be shut off.
Step 2: Remove the Old Trim
Take off the handle, unscrew the escutcheon plate, and remove the showerhead and tub spout (if included).
Step 3: Inspect the Valve
Check the valve for leaks or corrosion. If it’s in good condition, you can reuse it with your new trim kit.
Step 4: Install the New Trim
Follow the manufacturer’s instructions to attach the new handle, escutcheon, and showerhead. Use plumber’s tape on threaded connections to prevent leaks.
Step 5: Seal the Plate
Apply silicone caulk around the escutcheon plate to keep water from seeping behind the wall.
Step 6: Test the Faucet
Turn on the water and test both hot and cold functions. Check for leaks around connections.
How Much Does It Cost?
- Shower trim kit (faucet handle + showerhead): ₦20,000–₦50,000 ($50–$150 internationally).
- Full faucet + valve replacement: ₦60,000–₦200,000 ($150–$500 internationally).
- Plumber service call (valve replacement): ₦25,000–₦70,000 ($150–$300 in the US).
Tips for DIY Success
- Match your new faucet to the brand and model of your existing valve.
- Use a trim kit for a simple cosmetic upgrade.
- If your faucet is over 15 years old, consider a full valve replacement for reliability.
- Keep a bucket or towel handy in case of small leaks during installation.
- If you’re unsure about your plumbing system, don’t force it—hire a pro.
FAQs
1. Do I need to shut off the water to change a shower faucet?
If you’re only changing the trim kit, no. For valve replacement, yes—you must shut off the water supply.
2. Can I mix faucet brands with my existing shower valve?
No. Faucet trim kits are brand-specific and often model-specific. Always match your trim kit to your valve.
3. How long does it take to replace a shower faucet?
Replacing a trim kit takes about 30–60 minutes. Replacing a valve may take several hours, especially if the wall needs to be opened.
4. How do I know if I need to replace the valve too?
If your valve leaks, is corroded, or is older than 20 years, replacing it along with the faucet is recommended.
5. Can I upgrade to a single-handle faucet without replacing the valve?
No. Switching handle styles requires replacing the entire valve assembly inside the wall.
Conclusion
So, can you change a shower faucet yourself? Yes—if you’re replacing only the trim kit and your existing valve is still in good condition. It’s a quick and affordable DIY project. But if your valve is old, leaking, or incompatible with new trim, you’ll need a valve replacement, which is often best left to a plumber. Either way, updating your shower faucet is a worthwhile upgrade that improves both style and function.