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: , Tags: , ,

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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