HD models include a wider diameter motor with a powder coated steel shell, cast aluminum endbells and lower housing to improve pressure capability and life. All models include an integrated pressure switch, vibration dampening rubber mounting feet, and quick connect ports. A built-in bypass valve helps to reduce unwanted pump cycling and noise. All models other than the 1 GPM come with an inlet strainer included as well. Features and Benefits: CSA certified for potable water. Integrated, sealed pressure switch for on-demand operation. Internal bypass for quiet, smooth operatio. Co-molded diaphragm technology for long life and durability. HD models have larger motors and cast aluminum lower housings which allow for long-life, even at high pressures. Can run dry without damage. Quick connect ports for ease of installation, servicing, and maintenance. Vibration dampening mounting feet. Self-priming allows for installation versatility. Built-in back flow prevention valve. Thermal protection on motor prevents overheating.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov