Water Hammer Arrestor – VAWH1

The VANTEC VAWH1 Water Hammer Arrestor is designed to absorb pressure surges caused by sudden changes in water flow, protecting piping systems, valves, fixtures, and connected equipment from water hammer, vibration, and noise. Its reliable piston-type design is factory pre-charged and ready for compact installation close to quick-closing valves and fixtures.

Manufactured with a lead-free brass connection and durable copper tube, the VAWH1 is suitable for potable water and plumbing applications and is WRAS Approved. It has a maximum working pressure of 250 psi (17.2 bar) and is available in ½”, ¾” and 1” BSPT threaded connections.

Key Benefits


✓ Reduces water hammer


✓ Absorbs pressure surges


✓ Minimizes vibration & noise


✓ Protects valves & piping


✓ Compact installation


✓ WRAS Approved

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