HomeShopPumpsWilo STS Sewage Pump

Description

The Wilo STS Series Sewage Pump is a heavy-duty submersible wastewater pump designed for efficient sewage disposal from residential, commercial, and industrial systems. Built with robust cast iron construction and stainless steel motor housing, it ensures reliable performance in high-solid-content wastewater applications.

The pump is engineered for durability, high efficiency, and safe operation with integrated motor protection and float switch functionality.

Additional information

brand

Impala

Features

  • Heavy-duty cast iron pump body
  • Stainless steel motor housing (SS 304)
  • High efficiency sewage handling pump
  • Float switch option for automatic operation (A-model)
  • Dry motor construction with sealing chamber
  • IP68 protection class for full submersible use
  • AC thermal motor protection for safety
  • Integrated overload and high-temperature protection
  • High discharge capacity up to 900 LPM
  • Handles solids up to 35 mm
  • Easy handling and installation
  • Suitable for continuous operation

Technical Specification

  • Pump Type: Submersible sewage pump
  • Series: STS
  • Flow Rate: Up to 900 LPM
  • Head Range: Up to 17 meters
  • Solid Passage: Up to 35 mm
  • Cable Length: 5 meters
  • Material of Construction:
    • Pump body: Cast Iron
    • Impeller: Cast Iron
    • Motor body: Stainless Steel (SS 304)
  • Protection: IP68
  • Motor Protection: Thermal overload protection
  • Operation: Continuous duty

Model Overview

Single Phase Models

  • STS 50/10-F EM-A → 0.37 kW (0.5 HP), 50 mm discharge, 35 mm solids
  • STS 50/11-F EM-A → 0.37 kW (0.5 HP), 50 mm discharge
  • STS 50/13-F EM-A → 0.75 kW (1 HP)
  • STS 50/15-F EM-A → 0.75 kW (1 HP)
  • STS-N80/18-EEM-A → 1.5 kW (2 HP)
  • STS-N80/20-EEM-A → 2.2 kW (3 HP)

Three Phase Models

  • STS 50/13-F-DM → 0.75 kW (1 HP)
  • STS 50/15-EDM → 0.75 kW (1 HP)
  • STS 80/12-F-DM → 0.75 kW (1 HP)
  • STS-N80/18-EDM → 1.5 kW (2 HP)
  • STS-N80/20-EDM → 2.2 kW (3 HP)

Applications

  • Residential sewage systems
  • Commercial wastewater disposal
  • Industrial effluent handling
  • Basement and sump sewage pumping
  • Hospitals and institutions
  • Building drainage systems
  • Small town sewage management
  • Stormwater and dirty water removal

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