How to Replace a Showerhead — Boost Pressure and Stop Thread Leaks

Swap a clogged or leaky showerhead in under 30 minutes with plumber's tape, two wrenches, and a clear sequence that protects the shower arm.

A weak shower spray or a slow drip at the showerhead is often the fitting itself — not your whole plumbing system. Mineral scale clogs nozzles. Old washers crack. Chrome threads corrode and weep. Replacing a showerhead is one of the highest-ROI bathroom fixes a homeowner can do: under an hour, no valve demolition, and you feel the difference on the first rinse.

Diagnose Before You Buy

Run the shower and answer two questions:

• Is pressure low everywhere in the house? If sinks and tubs are also weak, start with your home’s water-pressure path — not the showerhead alone.
• Is only this shower weak, uneven, or drippy at the connection? Then a new showerhead (or a new shower arm) is the right move.

Pull the faceplate nozzles with a fingernail or soft brush. If white or green crust falls out and spray improves temporarily, you’ll still want a fresh head — scale keeps coming back on old plastic andifices.

What You’ll Need

• Replacement showerhead (fixed, handheld, or combo)
• PTFE plumber’s tape (white tape is fine for water threads)
• Adjustable wrench or channel-lock pliers
• Second wrench or locking pliers for backing up the shower arm
• Soft cloth or rag (to protect chrome finish)
• Optional: white vinegar and an old toothbrush for cleaning arm threads
• Optional: small flathead screwdriver if your old head has a set screw or faceplate clip

No need to shut off the main water for a simple head swap. The shower valves stay closed until you test.

Step 1: Remove the Old Showerhead

0. Twist the showerhead counterclockwise by hand. Many fixed heads come off without tools.
1. If it is stuck, wrap the soft cloth around the collar and use the adjustable wrench on the cloth — not bare metal — so you do not crush or scar the finish.
2. Hold the shower arm steady with a second wrench near the wall while you turn the head. That backup wrench stops you from twisting the arm out of the wall fitting, which can crack plaster or open a hidden leak.

Once the head is off, inspect the arm’s male threads. Peel off old tape and rubber washers. Scrub light scale with vinegar and a toothbrush. If threads are rounded, cross-threaded, or badly corroded, replace the shower arm before installing a new head.

Step 2: Prep the Threads

Dry the arm completely. Wrap PTFE tape clockwise around the male threads — the same direction you will tighten the new head — three to four times. Keep the first thread mostly clear so the fitting starts straight, then build a smooth, even wrap.

Do not use pipe dope (pipe joint compound) on polished shower fittings unless the manufacturer specifically allows it. Tape is cleaner, easier to service later, and standard for this joint.

If your new head includes a rubber gasket inside the female collar, confirm it is seated flat. Some heads use that gasket instead of (or in addition to) tape. Follow the insert card: missing gaskets cause drips at the joint even when threads look tight.

Step 3: Install the New Showerhead

0. Start the new head by hand, turning clockwise. It should spin freely for several turns. If it binds immediately, back off and restart — force means cross-threading.
1. Hand-tighten until snug, then finish with a quarter to half turn using the cloth-wrapped wrench.
2. For handheld kits: thread the bracket or drop elbow onto the arm the same way, mount the slide bar if included (use anchors appropriate for tile or fiberglass), then attach the hose. Most hoses have a cone washer at each end — do not lose them.

Step 4: Test for Leaks and Spray Pattern

Open the shower valve slowly. Let water run for one full minute. Check three places:

• Joint where the head meets the arm
• Hose connections on handheld units
• Wall penetration around the arm escutcheon (if you moved the arm)

A few drips from inside the head during the first purge can be trapped air and factory residue. A steady drip at the metal threads means reseat the tape or gasket.

Walk the temperature lever from cold to hot. Confirm the spray face does not spit sideways from a clogged nozzle — most new heads include a rubber face you can rub with a fingertip under running water to clear debris from manufacturing or line grit.

Common Mistakes That Ruin a Simple Swap

• Wrapping tape the wrong way. Counterclockwise wrap unravels as you thread on the head. Always wrap with the tighten direction.
• Skipping the backup wrench. That is how shower arms get ripped out of the wall.
• Mixing flow restrictors without reading the label. Many heads include a restrictor for code flow rates. Removing it may violate local code and can make pressure feel uneven.
• Buying a filtered head and never planning cartridge changes. If you want fewer mineral clogs, budget the filter calendar or you will recreate the clog problem in months.
• Ignoring a dripping shower valve. A head replacement will not stop a valve that weeps from the handle or tub spout diverter. That is a cartridge or diverter job.

When a New Showerhead Will Not Fix the Problem

Call a licensed plumber if you see any of the following:

• Water stains or soft drywall near the shower valve or on the ceiling below
• The shower arm spins freely at the wall or feels loose behind the tile
• Pressure is low at every fixture, or only hot (or only cold) is weak
• The diverter will not send full flow to the shower, or the tub spout leaks heavily while showering
• You have a pressure-balance or thermostatic valve that scalds or swings temperature wildly when another faucet runs

Those issues live upstream of the decorative head. A $40 showerhead will not solve a failing valve body, a crushed supply line, or a partially closed angle stop you cannot reach.

Choosing a Better Head Without Overbuying

Pick for how you actually shower:

• Fixed spray: Fewest failures, easiest install, best for rentals and guest baths
• Handheld: Better for rinsing kids, pets, and the stall walls; more washers and hose wear over time
• Rain heads: Feel luxurious; need enough ceiling or arm clearance and decent household pressure
• High-efficiency (WaterSense): Lower flow that still feels strong when nozzles are well designed

If your water is hard, a head with simple silicone nozzles you can rub clean beats complex multi-mode towers full of tiny passages that scale shut.

Search intent for this topic clusters around “replace showerhead,” “how to change shower head,” “shower head leaking at connection,” and “increase shower pressure new head.” Lead with install steps, PTFE tape direction, and backup-wrench safety; secondary content should compare fixed vs handheld and clarify when low pressure is a whole-house issue.

Typical homeowner queries: “showerhead won’t unscrew,” “plumber tape which way shower,” “new shower head still drips,” “handheld shower install bracket on tile,” and “does a new showerhead increase water pressure.”

Bottom Line

Replacing a showerhead is a true beginner plumbing win: cut the water at the valve handle, back up the arm, wrap tape with the tighten direction, hand-start the new head, and test. Spend the money on a head you will actually clean and a clean thread seal — not on chrome you overtighten into a crack. If the arm moves in the wall or leaks appear behind the tile, stop and get a pro before a twenty-minute upgrade becomes a wall tear-out.