[5201-5250] May 2026

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

The range primarily refers to the model series of Piston Type Water Hammer Arrestors [5201-5250]

These arrestors feature a piston type mechanism that requires no regular servicing once installed. These models are typically lead-free, making them safe

On branch lines with multiple fixtures (up to 20 feet), place the unit between the last two fixtures being served. The specific model number indicates the size and

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

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.

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.