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The LavaTherm Water Hammer Arrestor (LV-WHA) is for homeowners and plumbers experiencing noisy, vibrating plumbing systems caused by water hammer. Its key benefit is instantly silencing these noises and protecting your plumbing from pressure surges. A potential caveat is that it requires installation on 15mm pipes, limiting its direct application in systems with different pipe sizes. This arrestor uses a pressurized air chamber and EPDM diaphragm to absorb hydraulic shock, safeguarding appliances, boilers, and pipework integrity.
| Model Part Number | 15mm Ball Type 0.16L |
|---|---|
| Brand | LavaTherm |
Water hammer, or hydraulic shock, is a pressure surge or wave caused when a fluid (like water) in motion is forced to stop or change direction suddenly. This is common in plumbing systems with fast-acting valves, such as those in modern taps, washing machines, and dishwashers, leading to banging or vibrating noises.
It contains a sealed chamber with pressurized air separated by a flexible EPDM diaphragm. When a sudden pressure surge occurs, the diaphragm compresses, absorbing the energy of the shockwave and preventing it from traveling through the pipes.
The LavaTherm Water Hammer Arrestor is designed to fit standard 15mm pipework using compression fittings.
No, it is most effective when installed close to the specific appliance or tap that is causing the water hammer noise. Installing it on the main cold water inlet can also offer broader system protection.
No, the LavaTherm arrestor is a passive device that requires no electricity and is designed to be maintenance-free for its lifespan.
Yes, if you have basic plumbing skills and the necessary tools (like pipe wrenches), you can install it yourself. If you are unsure, it is recommended to hire a qualified plumber.
Please refer to the product packaging or manufacturer's website for specific warranty details, as this information is not provided in the product description.
Ensure the arrestor is installed on the correct pipe size (15mm) and as close as possible to the noise source. Check that connections are tight and that the arrestor is functioning by observing if the noise is reduced, even if not entirely eliminated. In severe cases, multiple arrestors might be necessary.
Turn off the water supply. Re-check the compression fittings and ensure they are correctly aligned and tightened securely but not over-tightened. Ensure any sealing tape or compound used is compatible and correctly applied.
Verify that the arrestor has not been inadvertently installed backwards (though most are bi-directional, check manual if available) and that no internal obstruction is present. Ensure the pipework itself is not blocked.
Compatibility:
Setup:
Care:
The LavaTherm Water Hammer Arrestor is designed for maintenance-free operation. The stainless steel construction resists corrosion, and the internal EPDM diaphragm is durable. No regular cleaning or servicing is required. Simply ensure connections remain secure to prevent leaks.
