STS21/STS31 Submersible Sump Pump

Goulds Water Technology : Wastewater & Drainage Pumps : Sump Pumps

The STS sump pumps 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.

Specially designed for the following uses:

  • Basement Draining
  • Dewatering
  • Water Transfer

Features and Benefits

  • Corrosion resistant construction
  • A mechanical seal protects the motor. It consists of ceramic/silicon carbide seal faces with BUNA elastomers.
  • Glass-filled thermoplastic impeller and motor cover. Motor is permanently lubricated for extended service life.
  • Upper and lower heavy duty ball bearing construction.
  • Air-filled motor mounted in aluminum housing.
  • Includes vertical float switch and mounting pipe. Adjustable for various liquid levels.
  • Motor is permanently lubricated for extended service life and is powered for continuous operation. All ratings are within the working limits of the motor.
  • Power cord, 10′ standard length, heavy duty 16/3 SJTW with 115 volt grounding plug
  • Complete unit is heavy duty, portable and compact
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