
If you're looking to replace your plastic shower extension arm, you're in luck! It's a simple DIY project that can be completed in just 15 minutes without any extensive plumbing modifications or drilling. All you need is an adjustable wrench or a pair of pliers, a cloth, the new adjustable shower arm, and thread seal tape. Simply unscrew the existing shower head and shower arm from the wall mount, being careful not to use too much force if it's corroded or rusted. You can then screw in the new shower extension arm, ensuring it's tight and secure. With options like the HammerHead Showers All Metal Adjustable Shower Arm Extension, you can adjust the height of your showerhead to suit your needs and even choose from different finishes to match your bathroom décor.
How to Replace a Plastic Shower Extension Arm
| Characteristics | Values |
|---|---|
| Tools Required | Adjustable wrench or pair of pliers, a cloth or rag, thread seal tape, a standard 10-inch metal file, a hammer, a rubber glove, and a flat-head screwdriver |
| Process | Unscrew the existing shower head from the wall mount, remove the male-threaded pipe coming out of the wall, screw in the new shower arm, and tighten |
| Tips | Confirm the thread size before purchasing the new shower arm, use pipe dope or Teflon tape on the threads of the new shower arm, and ensure the shower faucet is off during the process |
| Common Issues | The shower arm may be corroded or broken, the threads may be locked by rust and scale, or the shower arm extender may sag or droop due to stripped locking gears |
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What You'll Learn

Tools required: an adjustable wrench, pliers, a cloth, thread seal tape
Replacing a plastic shower extension arm is a simple task that can be completed with a few common tools. In this case, you will need an adjustable wrench, pliers, a cloth, and thread seal tape.
First, protect the finish of your shower arm by wrapping a cloth around it. This will prevent any scratches or damage. You can also use a wrench with smooth jaws to avoid marking the shower arm. If you are using pliers, wrap the jaws with electrical tape or cover them with a cloth or rag to achieve the same result.
Next, use the adjustable wrench or pliers to loosen and unscrew the old shower head. Clean any residue, rust, or old tape from the shower arm threads with a cloth.
Now, it's time to prepare the new shower arm for installation. Wrap thread seal tape (also known as Teflon tape or plumber's tape) around the shower arm pipe two to three times in a clockwise direction. This will ensure a watertight seal and prevent leaks. Press the tape firmly into the threads.
Finally, screw on the new shower head by hand, ensuring it is tightened securely. You can use the adjustable wrench to gently snug it down further, being careful not to over-tighten.
With these tools and steps, you can successfully replace a plastic shower extension arm and improve your shower experience.
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Remove the existing shower head
To remove the existing shower head, start by turning off the shower faucet. This will prevent water from getting behind the wall and causing potential mould problems. If your shower arm has been installed within the last five years, you may be able to remove the showerhead without tools. Simply grab the shower arm and give it a good counter-clockwise twist. If this doesn't work, try using a rubber glove to get a better grip and try again.
If your shower arm is corroded or bent, you may need to use some tools for removal. First, check if the shower arm is connected to the plumbing by prying off the escutcheon with a flat-head screwdriver. If it is corroded, you can try to break the seal locking the threads by using a wrench and a metal file. Place the tapered end of the file through the hole in the wall and insert it into the fitting. Tap it sharply with a hammer to wedge it against the sides of the pipe. Then, clamp a wrench onto the file and tap the handle with the hammer until the seal is broken. Remember that the pipe has to turn in a counter-clockwise direction to come loose, so make sure you are tapping in the right direction.
If your shower arm is bent, you may need to unscrew and remove the showerhead first. This will give you better access to the shower arm. Wrap a rubber glove around the pipe to get a better grip and try to twist it counter-clockwise. If the shower arm is still not coming off, you may need to use a pipe wrench or strap wrench. These tools will help you apply more force to remove the shower arm. Remember to always be careful when using tools to avoid damaging your plumbing or injuring yourself.
By following these steps, you should be able to successfully remove the existing shower head and prepare for installing your new shower extension arm. It is important to take your time and assess the condition of your shower arm to determine the best removal method.
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Unscrew the male threaded pipe
Unscrewing the male-threaded pipe is a delicate process that requires careful attention to avoid damaging the pipe threads. Here is a step-by-step guide:
- Prepare the Work Area: Ensure you have a clear and well-lit workspace. Gather the necessary tools, including an adjustable wrench or a pair of pliers, a cloth or rag, and thread seal tape. Place a cloth or rag nearby to wipe down the pipe and catch any falling debris.
- Clean the Threaded Area: Use a wire brush to remove any accumulated debris, rust, or lime buildup on the male-threaded area of the pipe. This step is crucial to ensure that the threads are not damaged during the unscrewing process.
- Apply Penetrating Oil: If the pipe is stuck, consider applying penetrating oil to the threaded area and letting it sit for a while. This can help loosen any rust or corrosion, making it easier to unscrew the pipe.
- Use a Larger Wrench: If standard-sized wrenches are not providing enough leverage, consider using a larger wrench, such as a 24" or 36" pipe wrench. The increased length will provide more torque and make it easier to break the pipe free.
- Stabilize the Pipe: Before applying force, stabilize the pipe by securing both sides of the joint. This is important to prevent damage to the surrounding pipes, especially those inside the wall. Use one tool to stabilize the plumbing, while using another to attempt to move the part that needs to be removed.
- Slow and Steady Force: When using a wrench or pliers, apply slow and steady force in the unscrewing direction. Avoid using excessive force or abrupt movements, as this can damage the pipe or surrounding fixtures.
- Alternative Methods: If the pipe is severely stuck, consider alternative methods such as using a hacksaw blade to cut through the pipe. Make two cuts about 5mm apart and remove that section by tapping it with a small screwdriver and hammer. This will allow you to detach the pipe without further unscrewing.
- Protect the Threads: As you work on unscrewing the pipe, pay close attention to the threads. If they feel rough, try rotating the pipe back and forth while removing it to protect the threads from stripping.
Remember, patience is key when dealing with stuck or rusted plumbing fixtures. If one method doesn't work, don't be afraid to try another approach. Always prioritize protecting the surrounding pipes and fixtures to avoid creating a bigger plumbing problem.
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Screw in the new shower arm extension
To screw in the new shower arm extension, begin by wrapping the threads of the new shower arm with pipe dope or Teflon tape. This will help to create a snug fit and prevent leaks. Using a pipe wrench, vice grip, or pliers, grip the new shower arm extension and begin turning it in a clockwise direction to screw it into the fitting in the wall. Ensure that you screw it in tightly to avoid any leaks.
If your previous shower arm was corroded or broken, you may need to take additional steps before screwing in the new shower arm extension. In such cases, you may need to use a metal file and a hammer to break the seal locking the threads. Place the tapered end of the file through the hole in the wall and insert it as far as it will go. Then, tap it sharply with a hammer to wedge it against the sides of the broken pipe. Clamp a wrench onto the file and tap the wrench handle with the hammer to break the seal. Make sure to tap in the counterclockwise direction, as this is the direction the pipe needs to turn to come loose.
Once the old shower arm is removed, inspect the threads of the new shower arm extension to ensure they are not cross-threaded. You may need to use a pair of pliers to gently straighten out any crossed threads. Additionally, check the gear mechanism of the new shower arm extension to ensure it is not stripped or damaged. This is a common issue with shower arm extensions, and it can cause the extension to sag or droop over time.
When you are ready to screw in the new shower arm extension, apply gentle pressure and turn it in a clockwise direction until it is snugly in place. You may need to use a wrench or pliers to get a better grip and apply more torque. Do not overtighten, as this can strip the threads or damage the gear mechanism. Finally, attach the shower head to the new shower arm extension, following the manufacturer's instructions, and test your new setup by turning on the shower and checking for any leaks.
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Check for common issues, e.g. sagging or drooping
If you are experiencing issues with your shower extension arm, such as sagging or drooping, there are a few things you can check before replacing it. Firstly, ensure that all the connections are well-tightened and check for leaks at each joint. If your shower arm has locking gears, check to see if they are stripped or damaged, as this is a common issue with adjustable shower arms.
If you notice any leaks, try tightening the showerhead further. If that doesn't stop the leak, you may need to replace the shower arm. Remove the shower arm, clean the threads, and reinstall it with a new application of plumber's tape. If the shower arm is cracked or corroded, it will need to be replaced.
In some cases, the shower arm may break in the wall or cause the vertical pipe to break if too much pressure is applied when unscrewing the showerhead. This can also occur due to repeated pressure when adjusting the showerhead over time. If the shower arm breaks during removal, it is recommended to call a professional, as fixing it may require accessing the shower plumbing behind the wall.
It is also important to consider the materials used for your shower extension arm. While some products are made of plastic, it is recommended to choose an all-metal shower arm extender made from stainless steel or brass with corrosion-resistant finishes for durability.
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Frequently asked questions
First, you need to remove the existing shower extension arm. Put on a rubber glove to get a better grip and try to give the arm a good counter-clockwise twist. If it's been there for a long time, you may need to use a wrench or pliers. Then, to install the new extension arm, follow the below steps:
- Wrap thread seal tape around the threads of the new shower arm.
- Screw the new shower arm into the fitting in the wall.
- Screw the showerhead into the new shower arm.
You will need an adjustable wrench or a pair of pliers, a cloth or rag, thread seal tape, and a rubber glove.
Replacing a shower extension arm is an easy project that should only take around 15 minutes.
No, if there is no water coming out of the showerhead, no water will come out when you remove it. However, you should keep the shower faucet off while you do this.
HammerHead Showers All Metal Adjustable Shower Arm Extension is the most durable adjustable shower arm on the market. It comes in 12 or 16-inch options and multiple finishes.











































