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Remove Washing Machine Water Arrestors (Optional) — Test the System

Beginner3 hours

Part of project

How to Install a Water Hammer Arrestor to Stop Banging Pipes · Step 7 of 7

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In this video

The host suggests that water arrestors on a washing machine are often unnecessary and can introduce other issues like water restriction or different noises. As an initial diagnostic step, he recommends removing the water arrestors from the washing machine's hot and cold supply lines. If this resolves the banging noise, no further action may be necessary.

Goal: Eliminate potential causes of noise

  • Water arrestors on washing machines are not always necessary and can sometimes create their own set of noises or restrict water flow.

Used in this video

  • Pliers (brand: N/A, Tool Type: Hand tools)To loosen the connections for the water arrestors on the washing machine supply lines.
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FAQs

What essential tools do I need for this project, especially for cutting and preparing pipes?

You'll definitely need an AUTOCUT 1/2 in. Copper Pipe Tubing Cutter to make clean, straight cuts. Don't forget the Husky 1-5/8 in. Inner/Outer Reamer and Deburring Tool to smooth the pipe ends, which is crucial for leak-free push-to-connect fitting installation. An adjustable wrench will also be handy for general tightening tasks.

What are the most important safety precautions to take before starting this plumbing project?

Always start by completely shutting off the main water supply to your home and draining the pipes to relieve any pressure, which prevents unexpected floods. Wear appropriate eye protection and gloves when cutting pipes to protect against sharp edges and debris. Have a bucket and towels ready for any residual water.

How difficult is this project for a beginner, and what's a realistic time and cost expectation?

This project is rated 'beginner' friendly, primarily due to the use of push-to-connect fittings which significantly simplify the installation process. You can realistically expect to complete it within the estimated 3 hours. Material costs will mainly involve the water hammer arrestor and a T-fitting, likely under $50 depending on your local store.

I'm worried about leaks. What are common mistakes beginners make during installation, and how can I prevent them?

A common mistake is not fully deburring the pipe ends or not pushing the push-to-connect fittings all the way in until they seat firmly. Ensure the pipe is clean and smooth, and mark the insertion depth on the pipe to confirm it's fully seated before pushing. After restoring water, carefully check all new connections for any drips immediately.