Water hammer and noise arrestors

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A discreet, durable solution approved by professionals

The AW Pax shock absorbers integrate easily into all types of sanitary installations, without altering the aesthetics or requiring any special maintenance.

✔️ Effective protection of pipes and appliances

✔️ Long-lasting reduction of noise and vibrations

✔️ Recognised Swiss reliability

✔️ Simple and fast installation

Choosing AW Pax means investing in acoustic comfort, safety and Swiss quality.
A reliable solution, designed to last, for both private users and professional installers.

Noise and Water Hammer Reduction

The AW Pax shock absorbers are technical solutions designed to effectively dampen water hammer and reduce noise in sanitary installations. Manufactured in Switzerland and compliant with the SIA 181 standard, they ensure superior acoustic comfort while protecting your pipework against overpressure and vibrations.

Suitable for all standard connections (½″ and ¾″), AW Pax units install easily on exposed fittings for washbasins, showers or baths. Their patented design absorbs hydraulic shocks, reducing noise levels by up to -5 dB(A) and improving occupant comfort.

FAQ – AW Pax Shock Absorbers

What is water hammer?

Water hammer is a sudden pressure surge in the pipework, often caused by the rapid closure of a valve or tap. It produces a sharp banging noise and can damage the plumbing if no anti-shock device is installed.

How does an AW Pax shock absorber work?

An AW Pax shock absorber absorbs hydraulic shocks at source via a patented internal system. It limits pressure fluctuations, reduces pipe vibrations and decreases noise levels by up to -5 dB(A), thereby improving comfort in sanitary installations.

Are AW Pax shock absorbers compliant with the SIA 181 standard?

Yes. AW Pax shock absorbers are designed in accordance with the requirements of the Swiss SIA 181 acoustic protection standard. They help limit pipe noise and ensure a higher quality of use in residential and professional buildings.