Goulds STS

The Goulds Water Technology STS series sump pump are energy-efficient residential sump pumps available in two models the STS21, and the STS31. The 1/4hp and 1/3hp pumps are stainless steel and feature less amp draw for greater energy efficiency. The pumps are corrosion resistant and feature a mechanical seal to protect the motor, a glass-filled thermoplastic impeller and motor cover. Upper andlower heavy duty ball bearing construction. The air-filled motor is mounted in an aluminum housing, and is lubricated for extended service life. The motor is permanently lubricated for extended service life and is powered for continuous operation. All ratings are within the working limits. Includes a vertical float switch and mounting pipe. Adjustable for various liquid levels. The complete unit is lightweight, portable and easy to service.