[5201-5250] -

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

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.

On branch lines with multiple fixtures (up to 20 feet), place the unit between the last two fixtures being served.

For detailed technical specifications or sweat connection variants (e.g., ), you can visit the Jay R. Smith Official Catalog.

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.