A shower head swaps out by hand in about ten minutes on a standard threaded arm, while a faucet replacement depends on your sink’s hole layout and valve type.
For the full breakdown, see our best Bathroom Faucets and Shower Heads guide.
The two carry very different risk levels. A shower head threads onto a half-inch pipe; almost anyone can trade it for a new one. A faucet sits above supply lines, mounting holes, and a valve body that varies by model. For anyone replacing both fixtures at once, tested bathroom faucets and shower heads make the shopping step faster.
How Do You Change a Shower Head?
A shower head comes off counterclockwise and goes back on by hand — no special tools for a standard threaded connection. Waterpik’s product support library hosts current manuals showing how its own shower heads, including the RainFall+ Rain Shower Head (product code JP-140T), attach at the arm.
- Shut off the shower water at the valve or the main supply.
- Turn the old head counterclockwise. If stuck, wrap a cloth around the finish and use pliers carefully — bare metal jaws will scar it.
- Clean rust, mineral buildup, and old tape off the shower arm threads.
- Wrap thread seal tape clockwise around the arm threads, two or three passes, so it tightens rather than unravels.
- Check that the rubber washer or screen sits properly inside the new head’s connection.
- Hand-tighten the new head, then nudge it a quarter turn with a wrench only if it still drips.
- Turn the water back on and watch the joint for leaks. A drip means retape, not more force.
Handheld and dual systems add a diverter and hose, and those must follow their own model’s instructions. One safety note: never twist the shower arm itself. If the pipe turns inside the wall, you have traded a ten-minute job for a plumbing repair.
What Changes When You Replace A Faucet?
Faucet replacement has no single universal procedure, because compatibility comes down to your sink or tub type, hole count, deck thickness, and valve configuration. The rough workflow still runs the same way, but details shift with every model.
| Step | What It Involves | Where It Goes Wrong |
|---|---|---|
| Shut off water | Angle stops under the sink or the main valve | Old stops that won’t close fully |
| Disconnect supply lines | Loosen nuts at the faucet tails | Stripped nuts on corroded fittings |
| Remove old faucet | Undo mounting nuts from below | Rusted hardware that needs penetrating oil |
| Match the new fixture | Count mounting holes and check deck thickness | Buying a faucet that won’t fit the existing layout |
| Install per instructions | Follow the manufacturer’s sheet exactly | Skipping a model-specific gasket or bracket |
| Reconnect lines | Hand-tighten, then snug with a wrench | Over-tightening and cracking a fitting |
| Test for leaks | Run water, check every joint | Not watching the supply connections first |
Before buying, count the mounting holes in your sink or tub deck and note whether the faucet is a sink, tub, or shower trim set — three different product families, and swapping between them doesn’t work. Waterpik’s shower head installation videos walk through the fixture-specific mounting details that generic advice misses.
What Are The Most Common Installation Mistakes?
Nearly every failed swap traces back to five avoidable errors. Wrap tape the wrong way and it unravels as you tighten. Over-tighten with a wrench instead of finishing by hand and you risk cracking threads or fittings. Skip cleaning the old threads and the new connection never seats right. Forget the rubber washer or screen inside the shower head and it drips from day one. Assume any faucet fits any sink and you’re making a second trip to the store. The pattern underneath all five: people substitute force for preparation.
Do You Need A Pro For Either Job?
A shower head replacement is a genuine DIY task for a first-timer. A faucet replacement is DIY-friendly too, but only after you’ve confirmed compatibility with your existing layout. If your sink has an unusual hole configuration, an old valve body that won’t seal, or supply lines that crumble when touched, call a plumber. When in doubt, photograph your setup and take it to the store — matching the fixture to the photo beats guessing.
FAQs
Do I need plumber’s tape on a shower head?
Usually yes, especially on older arms with worn threads. Wrap thread seal tape clockwise two or three times around the shower arm before attaching the head. If the connection already has a good rubber washer seated properly, some heads seal fine without tape — but tape costs almost nothing and prevents the drip that forces you to redo the job.
Can I swap a shower head without turning off the water?
No, and you shouldn’t try. Shut the water off at the shower valve or the main supply before loosening anything. Even a slow trickle will spray sideways once the head comes free, and you’ll be working blind with wet hands on a slippery fixture. Turning the water off first takes seconds.
Why does my new faucet leak after installation?
The most common causes are over-tightened fittings that cracked a seal, a missing or misseated washer, or supply line connections that weren’t snugged evenly. Shut the water off again, check each joint, and re-tighten by hand first. If the leak continues at the valve body itself, the fixture may not match your existing plumbing configuration.
References & Sources
- Waterpik. “Shower Head Product Manuals.” Current manuals for Waterpik shower head products, including the RainFall+ Rain Shower Head (JP-140T).
- Waterpik. “Shower Head Installation Videos.” Step-by-step fixture-specific mounting and installation guidance.
- Home Depot Product Documentation. “Shower Head Installation Guide (PDF).” Confirms thread seal tape application and leak-checking steps after installation.

