Arrest That Guy Hammering On Your Pipes

When you run the washing machine or dishwasher do the pipes shake or make loud thumping noises? That’s probably water hammer at work. Solenoid-driven valves that close abruptly can be the worst offenders; suddenly stopping the flow of water creates a pressure spike behind the valve which can reverberate throughout the supply pipes in your house.
Most water hammer arresters absorb the reverberations with a pressurized cushion of air. But that air chamber can become waterlogged over time, so Sioux Chiefs Mini-Resters use a piston sealed with dual O-rings to separate the water from the air chamber.
Sioux Chief sells a wide variety of Mini-Resters for washing machines, tub and shower valves, toilets, ice makers, sinks, and other single-use applications. Prices range from $10 to $20.
Water Hammer Arresters [Sioux Chief]
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