FTST31AV

Goulds Water Technology STS21 / STS31 Sump Pump Features

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.
Upper and lower heavy duty ball bearing construction.
Air-filled motor mounted in aluminum housing.
Motor is permanently lubricated for extended service life and is powered for continuous operation. All ratings are within the working limits of the motor.
Includes vertical float switch and mounting pipe. Adjustable for various liquid levels.
Complete unit is lightweight, portable and easy to service.

Goulds STS21 / STS31 Submersible Pump General Specifications

Pumping Applications specially designed for the following uses:
• Basement draining
• Water transfer
• Dewatering
• Filtered Effluent

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.