Water pipes making loud noises? Here’s how to fix it 

Introduction 

Water hammer is a common plumbing issue that happens when a valve suddenly closes, causing a surge of pressure in the pipes. This can result in loud banging noises and potentially damage your plumbing system if not fixed. It’s important to understand water hammer and its effects on your home in order to maintain a peaceful and functional plumbing system. 

At Franklin Plumbing, we have gathered effective solutions to help you stop water hammer and restore peace to your pipes. By addressing this problem quickly, you can prevent further issues and ensure the longevity of your plumbing system. 

While dealing with water hammer, it’s also important to be aware of other potential plumbing problems such as blocked drains, which can occur from improper waste disposal. Our experts at Franklin Plumbing share valuable insights on what shouldn’t go down the drain and the consequences of ignoring such advice. 

In case of an emergency plumbing situation, remember that emergency plumbing services are available in Torquay and Geelong. These services can provide immediate relief from severe plumbing issues, including but not limited to blocked drains. 

If you’re planning a bathroom renovation, understanding the plumbing costs involved is crucial for budgeting purposes. Furthermore, knowing about rough-in plumbing can help you better understand the initial stages of your renovation project. 

Whether you decide to fix the problem yourself or get professional help, we are here to guide you every step of the way. 

What Causes Water Hammer? 

Understanding the causes of water hammer is crucial in addressing this common plumbing issue. 

Sudden Valve Closures 

Sudden valve closures play a significant role in creating pressure changes that lead to water hammer. When a valve shuts quickly, it causes an abrupt stop in water flow, resulting in a pressure surge within the pipes. This pressure surge manifests as a loud banging noise, often startling homeowners. 

Quick-Closing Valves 

Quick-closing valves, such as those found in washing machines and dishwashers, contribute to the formation of shock waves within the plumbing system. These valves close so rapidly that they don’t allow for a gradual decrease in flow, leading to the sudden pressure spikes associated with water hammer. 

Loose Pipes 

Loose pipes can exacerbate water hammer by increasing noise levels and movement during pressure fluctuations. When pipes aren’t securely fastened, they can move around freely when subjected to sudden changes in pressure, amplifying the banging sound. 

Common Household Appliances 

Several household appliances are notorious for causing or worsening water hammer: 

• Washing Machines: The solenoid valves in washing machines close quickly. 
• Dishwashers: Similar to washing machines, dishwashers have quick-closing solenoid valves. 
• Automatic Faucets: Instant shutoff mechanisms contribute to rapid changes in water flow. 

Combating these issues requires strategic interventions and proper maintenance practices. For instance, preventing flooding caused by water leaks is essential. In such cases, calling an emergency plumber can provide immediate relief. 

Moreover, if you’re experiencing issues with your hot water system due to water hammer effects, it’s vital to seek professional assistance for hot water plumbing repairs. Franklin Plumbing offers expert advice and solutions tailored to your specific plumbing needs. If you’re unsure about how to know if your hot water system needs repairs, our team can provide the necessary guidance and support. 

Understanding Water Pressure in Plumbing Systems 

Maintaining optimal water pressure is essential for the smooth operation of any plumbing system. Too high or too low pressure can lead to various issues, including the dreaded water hammer. 

Importance of Optimal Water Pressure 

• Proper Functioning: Ensuring that water flows at the right pressure helps maintain the integrity of pipes and appliances. 
• Prevention of Damage: Excessive pressure can strain plumbing components, leading to leaks, bursts, and other costly damages. 

Measuring Water Pressure Accurately 

To keep your plumbing system in top shape, regularly measuring your water pressure is crucial. Here’s how: 

• Pressure Gauge Tool: Attach a pressure gauge to an outdoor faucet or washing machine supply line. 
• Read the Gauge: Open the valve fully and read the gauge. Ideal residential water pressure typically ranges between 40-60 PSI. 
• Adjust Accordingly: If the reading is outside this range, adjustments may be necessary. For those residing in Torquay or Geelong who are facing persistent water pressure issues, Franklin Plumbing offers expert solutions to help rectify these problems efficiently. 

Role of Pressure Reducing Valves 

Pressure reducing valves (PRVs) are indispensable in managing water pressure: 

• Preventing Excessive Pressure Buildup: PRVs help regulate incoming water pressure from municipal supplies, ensuring it stays within safe limits. 
• Mitigating Water Hammer Effects: By maintaining consistent pressure, PRVs reduce the occurrence of shock waves that cause water hammer. 

If you’re experiencing severe water hammer issues despite having PRVs installed, it might be time to seek professional help. Franklin Plumbing provides comprehensive services tailored to individual needs in Torquay and Geelong, utilizing advanced tools and techniques to diagnose and correct water pressure problems efficiently. 

Essential Plumbing Maintenance Tips 

As we transition into winter in Torquay, it’s crucial to ensure that your home’s plumbing system is well-prepared to withstand the colder temperatures. Franklin Plumbing shares some vital maintenance tips that could help avoid common winter plumbing headaches such as burst pipes or frozen faucets. For more insights on these essential maintenance practices, feel free to explore our blog. 

DIY Solutions for Stopping Water Hammer 

Fixing water hammer with air chambers can be an effective DIY solution. These chambers act as cushions, absorbing the shock waves that cause the annoying banging sound in your pipes. Here’s a step-by-step guide on how to stop water hammer by creating new air chambers within your plumbing system: 

1. Turn Off the Water Supply 

Locate the main water valve and turn it off to prevent any water flow while you work on the pipes. 

2. Drain the Pipes 

Open all faucets and flush toilets to drain any remaining water in the system. This creates a vacuum that will help in forming air chambers. 

3. Identify Problematic Areas 

Note where the hammering noise is most prominent. Usually, this occurs near appliances like washing machines or dishwashers that have quick-closing valves. 

4. Install Air Chambers 

Cut a section of pipe at the identified problem area. 

Fit a vertical section of pipe (around 12-18 inches long) onto this cut section using a T-fitting. 

Ensure that this vertical pipe is capped at the top to trap air inside, forming an air cushion. 

5. Secure Connections 

Use pipe straps or brackets to secure both the new air chamber and existing pipes, minimizing movement during operation. 

6. Turn On the Water Supply 

Slowly turn on the main valve and allow water to fill up the system gradually. Check for leaks around your new air chambers and tighten any loose connections if necessary. 

By following these steps, you can effectively mitigate water hammer issues in your home. However, if these methods seem too complex or don’t fully resolve the problem, you might want to consider seeking professional help. For instance, Franklin Plumbing offers expert plumbing services including assistance with such plumbing issues tailored to your needs. 

Additionally, if you’re facing other plumbing challenges such as unblocking a toilet, Franklin Plumbing has got you covered with their expert insights and solutions. They also provide valuable advice on various plumbing matters including planning for success in home renovation projects, which could be beneficial if you’re considering any renovations alongside addressing your plumbing issues. 

Installing Water Hammer Arrestors as a Permanent Fix 

Water hammer arrestors are specialized devices designed to absorb the shock waves caused by rapid changes in water flow, effectively preventing the unsettling noises and potential damage associated with water hammer. By incorporating these devices into your plumbing system, you can achieve a more permanent solution to this common issue. 

How Water Hammer Arrestors Work 

Water hammer arrestors function by using a small air chamber or piston to cushion the sudden changes in pressure that occur when a valve closes quickly. This absorption of shock waves prevents them from reverberating through your pipes, thereby mitigating the noise and potential structural damage. 

Choosing the Right Water Hammer Arrestor 

When selecting a water hammer arrestor for your plumbing setup, consider these factors: 

• Type of Arrestor: Choose between mechanical or air-chamber arrestors depending on your specific needs. Mechanical arrestors tend to be more durable and require less maintenance. 
• Size: Ensure the arrestor is appropriately sized for your plumbing pipes. Larger systems might need multiple or larger-sized arrestors. 
• Location: Install the arrestor close to the problematic valve where water hammer frequently occurs. This ensures maximum effectiveness in absorbing shock waves. 
• Installing water hammer arrestors is an effective long-term strategy for addressing persistent water hammer issues. For expert assistance with installation and ensuring optimal performance, Franklin Plumbing is here to help. Our skilled technicians are well-equipped to handle all your plumbing needs, ensuring your system runs smoothly and quietly. 

Adjusting Pressure Reducing Valves to Prevent Future Occurrences 

Importance of Setting the Correct PSI Levels 

Maintaining optimal water pressure is critical for the longevity and efficiency of your plumbing system. An improperly set pressure reducing valve can exacerbate water hammer issues, leading to potential damage and increased noise levels in your pipes. Ensuring the correct PSI levels not only prevents excessive pressure buildup but also helps mitigate the effects of water hammer. 

Step-by-Step Instructions 

Properly adjusting pressure reducing valve settings can be straightforward when following these steps: 

• Locate the Valve: Typically found near your water meter or main shut-off valve. 
• Turn Off Water Supply: This prevents any accidental bursts while making adjustments. 
• Loosen Lock Nut: Using a wrench, loosen the lock nut on the valve. 
• Adjust the Screw: To increase pressure, turn the adjustment screw clockwise; to decrease, turn it counterclockwise. Aim for a setting between 50-60 PSI for most residential systems. 
• Check Pressure Gauge: Attach a pressure gauge to an outdoor faucet or hose bib to monitor changes accurately. 
• Tighten Lock Nut and Restore Water Supply: Once desired pressure is achieved, tighten the lock nut and turn on the water supply. 

For those unsure about tackling this themselves, Franklin Plumbing offers expert assistance. We ensure that your plumbing system operates at peak efficiency, minimizing disruptions and avoiding potential damage caused by improper adjustments. 

Securing Loose Pipes: A Simple Yet Effective Solution 

Identifying and securing loose pipes in plumbing systems is crucial for maintaining the integrity and quiet operation of your home’s water supply. Loose pipes can lead to excessive movement during normal operation, which often exacerbates water hammer and associated noise issues. 

Identifying Trouble Spots 

To start, conduct a thorough inspection of your plumbing system: 

• Listen for Noise: When running water, listen for any banging or clattering noises that might indicate a loose pipe. 
• Visual Inspection: Check exposed areas like basements, crawl spaces, and under sinks for visible movement when the water is turned on or off. 
• Check Anchors: Ensure existing pipe straps or brackets are intact and holding the pipes securely. 

Practical Methods to Secure Pipes 

There are several effective ways to secure loose sections firmly in place: 

• Pipe Straps: Use metal or plastic pipe straps to anchor pipes to nearby structural supports. These come in various sizes to fit different pipe diameters. 
• Brackets: Install brackets at regular intervals along the pipe’s length, especially near bends and junctions where movement is more pronounced. 
• Cushion Clamps: These specialized clamps have rubber linings that reduce vibration and noise while keeping the pipes firmly secured. 
• Insulation Foam: For added stability and noise reduction, wrap sections of the pipe with insulation foam before securing them with straps or clamps. 

By addressing inadequately supported pipes with these practical methods, you can significantly reduce water hammer issues. This approach ensures a quieter, more efficient plumbing system without the need for extensive repairs. 

When To Seek Professional Help With Persistent Water Hammer Issues? 

Persistent water hammer issues can be a real headache. DIY solutions might not always do the trick. Here are some signs indicating it’s time to call in the experts: 

• Persistent Noise: If you’ve tried DIY fixes but the banging and clanging persist, it’s likely time for professional intervention. 
• Visible Pipe Damage: Loose pipes that remain unsecured despite your best efforts may need specialized tools and expertise to secure properly. 
• Water Pressure Irregularities: Fluctuations in water pressure despite adjusting pressure reducing valves could indicate deeper systemic issues. 

For those in Torquay and Geelong facing persistent water hammer problems, Franklin Plumbing is here to help. Our team of experienced plumbers is equipped with the knowledge and tools necessary to diagnose and fix these issues effectively. 

Additionally, if you ever encounter a plumbing emergency or need assistance with blocked drains, our experts at Franklin Plumbing are ready to provide effective solutions. We understand the urgency of such situations and are just a call away at 0421 844 865, ready to restore peace to your pipes. 

Stop struggling with water hammer on your own. Trust Franklin Plumbing to get the job done right. 

Frequently Asked Questions