Little Giant S320PT-20 Circulation Pump [335 GPH] (517100001) impellers The Hydro-Quip 4

The Hydro-Quip 4

A properly selected replacement helps preserve the intended hold and serviceability of the assembly instead of forcing the repair to rely on a compromise that only partly fits

Supports dependable air-button control response

or original assembly depth needs that added span to sit correctly

Little Giant S320PT-20 Circulation Pump [335 GPH] (517100001) impellers The Hydro-Quip 4Circulation pumps help maintain steady water movement in compatible systems, and this Little Giant S320PT 20 version is rated at 335 gallons per hour using the 517100001 reference. Pumps in this category are important because stable circulation is often one of the most essential functions supporting overall system operation. This pump has practical value because the 335 GPH rating helps identify its intended flow range for supported circulation