What To Know
- Water hammer, the sudden pressure surge in a plumbing system, is a common issue that can cause noise, damage, and discomfort.
- When a faucet is closed quickly, the water flowing through the pipe is forced to stop abruptly, creating a pressure surge.
- Installing an air chamber at the end of a long pipe can provide a cushion of air to absorb pressure surges.
Water hammer, the sudden pressure surge in a plumbing system, is a common issue that can cause noise, damage, and discomfort. Many homeowners wonder, “Will water hammer go away on its own?” The answer depends on several factors, including the severity of the problem and the underlying cause. This blog post will delve into the causes of water hammer and explore whether it can resolve itself or if professional intervention is necessary.
Causes of Water Hammer
Water hammer occurs when the flow of water in a pipe is abruptly stopped. This sudden stoppage creates a pressure wave that travels through the pipes, causing a banging or hammering sound. Common causes of water hammer include:
- Fast-closing faucets: When a faucet is closed quickly, the water flowing through the pipe is forced to stop abruptly, creating a pressure surge.
- Malfunctioning appliances: Dishwashers, washing machines, and other appliances that use water can cause water hammer if their valves do not close smoothly.
- Air pockets in pipes: Air pockets can create pockets of compressible gas within the plumbing system, which can amplify the pressure surge caused by water hammer.
- Long or unsupported pipes: Long pipes or pipes that are not properly supported can vibrate and amplify the effects of water hammer.
Will Water Hammer Go Away?
The persistence of water hammer depends on the severity of the problem and the underlying cause.
- Minor water hammer: If the water hammer is mild and only occurs occasionally, it may go away on its own. Small air pockets may dissipate over time, and minor valve malfunctions may resolve themselves.
- Severe water hammer: If the water hammer is loud, frequent, or causes damage, it is unlikely to go away on its own. It usually indicates a more serious underlying problem, such as a malfunctioning appliance or a poorly designed plumbing system.
Resolving Water Hammer
If water hammer does not go away on its own, professional intervention is typically necessary. Several methods can be employed to resolve the issue:
- Water hammer arrestors: These devices are installed in pipes to absorb the pressure surge caused by water hammer.
- Valve replacement: Malfunctioning valves in appliances or faucets should be replaced to prevent water hammer.
- Pipe rerouting: In some cases, rerouting pipes to reduce their length or provide better support can mitigate water hammer.
- Air chamber installation: Installing an air chamber at the end of a long pipe can provide a cushion of air to absorb pressure surges.
Preventing Water Hammer
To prevent water hammer from occurring in the first place, consider the following tips:
- Close faucets slowly: Avoid closing faucets quickly, as this creates a sudden stoppage in water flow.
- Install water hammer arrestors: These devices can be installed on new or existing plumbing systems to prevent water hammer.
- Maintain appliances: Regularly service appliances that use water to ensure proper valve function.
- Insulate pipes: Insulating pipes can help prevent the formation of air pockets.
- Support pipes properly: Ensure that pipes are securely supported to prevent vibration and amplification of water hammer.
Takeaways: Achieving a Water Hammer-Free Plumbing System
Water hammer can be a persistent problem if left unresolved. While minor cases may go away on their own, severe water hammer typically requires professional intervention. By understanding the causes and implementing preventative measures, homeowners can minimize the likelihood of water hammer and enjoy a peaceful and damage-free plumbing system.
What People Want to Know
Q: How can I tell if I have water hammer?
A: Water hammer is characterized by a banging or hammering sound when faucets are closed or appliances shut off.
Q: Is water hammer dangerous?
A: While not typically dangerous, water hammer can cause damage to pipes, fixtures, and appliances over time.
Q: Can I fix water hammer myself?
A: Minor water hammer can be resolved by closing faucets slowly or installing water hammer arrestors. However, severe water hammer usually requires professional repair.
Q: How much does it cost to fix water hammer?
A: The cost of fixing water hammer depends on the severity of the problem and the method of repair. Minor repairs can cost around $50-$100, while more extensive repairs may cost several hundred dollars.
Q: Can water hammer cause leaks?
A: Over time, severe water hammer can weaken pipes and connections, leading to leaks.
