Manually adjustable stroke length and stroke frequency provide precise control of flow rates.

• Clear face cover protects pump controls on low flow models (1 GPH and lower)
• Chemical-resistant housing provides protection in harsh environments

These pumps include a four-function valve — an anti-siphon, back pressure, priming, and pressure relief valve all in one.

What's included: a four-function valve, 16-ft polyethylene tubing, foot valve/strainer, and 8-ft power cord with molded plug.

Service kits include a replacement diaphragm, seal, four pump head screws, and check valves.