A compact 0.16 L expansion vessel is the perfect answer to those sudden “bang” noises that happen when water flow stops abruptly. Designed for both hot and cold‑water systems—boilers, washing machines, dishwashers, sinks, toilets and any other pipe‑fed appliance—this 1/2 ″ BSP water‑hammer arrestor absorbs the pressure wave before it can travel through your plumbing and cause damage.
Why it works
The pre‑charged diaphragm (3‑3.5 bar) flexes to soak up the shock wave, dramatically reducing pipe vibration and protecting fittings from wear. It’s WRAS‑approved (2109069), RoHS‑compliant and safe for potable water up to 99 °C, making it suitable for residential and commercial installations.
Key specifications
- Capacity: 0.16 L
- Pre‑charge pressure: 3 – 3.5 bar
- Maximum operating pressure: 10 bar
- Connection: Parallel 1/2 ″ BSP
- Dimensions: 78 mm Ø × 110 mm H
- Certified for drinking‑water systems
- Installable vertically or horizontally
- Comes in protective boxed packaging
Installation tip – Place the vessel as close as possible to the appliance that generates the hammer, use a clean cut and thread sealant, then tighten to a leak‑free fit. Always have a qualified plumber adjust the pre‑charge pressure and verify performance.
Quiet pipes, longer‑lasting fittings, and peace of mind—install this mini expansion vessel today and say goodbye to water‑hammer noise.
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