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FUNCTION: Quick closing electrical, pnuematic, spring loaded valves or devices, and the quick hand closure of fixture trim can
cause destructive "water hammer". Engineered water hammer arresters ("Hydrotrols") employ a permanently sealed cushion of air
or gas which absorbs the energy of water hammer and reduces pressure rise in the piping system to a safe level. Hydrotrol units,
correctly sized and placed at specific locations in the water piping system will control the destructive shock of water hammer.
NOTE: Stainless steel units are lead-free.
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