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
General Selection Tools:

Recommended Browsers: IE10 or Google Chrome

Report Bugs/Request Enhancements
Please email the following address to report issues and request enhancements:

Consult your local Goulds Water Technology Dealer for additional assistance

To build and operate an efficient water system, you need both the right products and experts who know the application. Here, you can access our trusted network of partners who have the experience you need to get the job done right.