Water hammer is a common plumbing issue characterized by a loud banging noise in your pipes when you turn off a faucet or an appliance. This phenomenon occurs when the flow of water is abruptly stopped, creating a shock wave that travels through the pipes. Here’s how to diagnose and fix water hammer issues in your Brooklyn plumbing.

1. Identify the Source of the Problem

Before attempting to fix the issue, it’s essential to identify the source. Here are a few steps to help you:

• Listen for the Noise: Determine if the noise occurs only when using specific fixtures (e.g., washing machine, dishwasher, or faucets).
• Check the Water Pressure: High water pressure can exacerbate the water hammer effect. Use a pressure gauge to check if the pressure exceeds the normal range (40-60 psi).

2. Adjust Water Pressure

If your water pressure is too high, consider installing a pressure-reducing valve (PRV). This device can help maintain a consistent water pressure throughout your plumbing system.

• Installation: If you’re comfortable with DIY projects, you can install a PRV yourself. Otherwise, hire a licensed plumber to ensure proper installation.
• Example: In many Brooklyn homes, a PRV can reduce water pressure from 80 psi to a more manageable level, significantly reducing water hammer.

3. Install Water Hammer Arrestors

Water hammer arrestors are devices specifically designed to absorb the shock waves caused by sudden changes in water flow.

• How to Install: Locate the pipes where the noise occurs, and install the arrestors near the affected fixtures. They can be installed vertically or horizontally, depending on the configuration of your plumbing.
• Example: If your washing machine causes water hammer, installing an arrestor on the cold water line can effectively dampen the noise.

4. Secure Loose Pipes

Loose pipes can amplify the sound of water hammer. Inspect your plumbing for any unsecured pipes and fasten them to the wall or floor with pipe straps or brackets.

• Tip: Use rubber padding between the pipe and the strap to reduce noise further.

5. Drain the Plumbing System

Sometimes, air can become trapped in your plumbing system, contributing to water hammer. Draining the system can help.

• Steps:

1. Turn off the main water supply.
2. Open all faucets to allow water to drain out.
3. Flush toilets to empty their tanks.
4. Close all faucets and turn the water supply back on.

6. Consult a Professional

If you've tried these methods and the problem persists, it may be time to consult a licensed plumber. They can provide a thorough inspection of your plumbing system and recommend further solutions.

• Finding a Plumber: In Brooklyn, consider searching online directories or asking for recommendations from neighbors or friends.

References

• Family Handyman - How to Fix Water Hammer
• Home Depot - How to Fix Water Hammer

By following these steps, you should be able to mitigate or eliminate the water hammer issue in your plumbing system. Remember, regular maintenance and inspections can prevent future plumbing problems.