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The range primarily refers to the model series of Piston Type Water Hammer Arrestors

manufactured by Jay R. Smith Mfg. Co. . These devices are essential plumbing components designed to absorb shock and prevent "banging" pipes caused by sudden pressure surges. [5201-5250]

For detailed technical specifications or sweat connection variants (e.g., ), you can visit the Jay R. Smith Official Catalog. The range primarily refers to the model series

The specific model number indicates the size and capacity of the arrestor, measured in "fixture units." Choosing the right one ensures your plumbing system remains quiet and damage-free. Thread Connection (IPS) Sizing Symbol Capacity (Fixture Units) 61 – 113 114 – 154 155 – 330 Smith Official Catalog

Unlike some older air chambers, these can be installed at any angle (vertical, horizontal, or even upside down) because they are factory-sealed gas chambers.

For maximum effectiveness, install the arrestor as close as possible to the fast-acting valve (like those in washing machines or dishwashers) causing the shock.

These models are typically lead-free, making them safe for potable water lines.