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We offer a wide range of water pumps, motors, drives, valves, controllers, and accessories to a broad cross-section of industries. We currently service the State of Florida with our headquarters located in Miami- the gateway to The Americas. With application expertise from extensive field experience; our focus is providing customers and consumers highly efficient water technologies that reduce operational costs, improve productivity and promote sustainability.

2525 NW 74 Avenue Miami, FL 33122
786-619-0694
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GOULDS STS31 STS21 Submersible Sump Pump – *Obsolete*

Goulds Sump Pumps Water Pumps
Home / Water Pumps / Goulds Sump Pumps / GOULDS STS31 STS21 Submersible Sump Pump – *Obsolete*
GOULDS STS31 STS21 Submersible Sump Pump – *Obsolete*

GOULDS STS31 STS21 Submersible Sump Pump – *Obsolete*

Current replacement Goulds GSP0311

**OBSOLETE PRODUCT**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 and lower 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.

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SKU: STS21V, STS31V, STS31A1, STS31M, GSP0311, GSP311M Categories: Goulds Sump Pumps, Water Pumps Tags: Goulds dewatering pump, GOULDS PUMP, goulds sump pump
  • Description
  • Additional information

The GOULDS STS31 STS21 Submersible Sump Pump – *Obsolete* is an energy-efficient residential sump pump available in the model STS31. The 1/3 hp pump is stainless steel and features less amp draw for greater energy efficiency.

  • Basement Draining
  • Dewatering
  • Water Transfer
  • Filtered Effluent
  • 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

    SPECIFICATIONS

    • Discharge size: 1 1⁄2″ NPT.
    • Capacities: to 38 GPM.
    • Maximum head: 25 feet TDH.
    • Maximum solids: 3⁄16″ spherical
    • Temperature: 104º F (40º C) maximum liquid temperature.
    • Mechanical seal: ceramic/silicon carbide faces with BUNA elastomers.

    MOTOR

    • Single phase, 3450 RPM, 60 Hz
    • STS21, ¼ HP, 115 V, 2.5 amps.
    • STS31, 1⁄3 HP, 115 V, 4.5 amps.
    • Built-in thermal overload protection with automatic
    reset.
    • Permanent-split-capacitor type.
    • Class B insulation.
    • Air filled design.
    • Power cord length: 20 feet with NEMA 5-15P plug.

    Specs

    Pump: Discharge size: 1½” NPT. Capacities: to 38 GPM. Maximum head: 25 feet TDH. Maximum solids: 3/16” spherical Temperature: 104º F (40º C) maximum liquid temperature. Mechanical seal: ceramic/silicon carbide faces with BUNA elastomers.

    Motor

    Single phase, 3450 RPM, 60 Hz STS21, ¼ HP, 115 V, 2.5 amps. STS31, ⅓ HP, 115 V, 4.5 amps. Built-in thermal overload protection with automatic reset. Permanent-split-capacitor type. Class B insulation. Air filled design. Power cord length: 20 feet with NEMA 5-15P plug.

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    MD Pumps

    By offering cutting-edge “Green” solutions, we can conserve energy and reduce the use of natural resources with our products. These solutions will contribute to meet a number of global challenges in terms of climate change, water constraints and demographic changes. We look forward to working with you and provide the most effective and efficient water solutions.

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    If you, or your company, have been thinking of purchasing, extracting, repairing or installing a water system, we would like to speak with you. Contact our customer service representatives they are ready to discuss your future objectives and how our products and services can help you reach your goals. We can work with your maintenance professional or provide a turnkey solution.

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