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Wilo-Padus UNI

The Wilo‑Padus UNI is a submersible sewage pump designed for wastewater disposal in domestic and municipal applications. It’s part of Wilo’s Padus line, which emphasizes robust construction, easy handling, and reliable solids transport. The UNI variant is particularly versatile, suitable for both stationary and portable use.

Description

The Wilo-Padus UNI is the ideal entry-level model for wastewater transport in small commercial buildings. The pump can be used flexibly as a portable device or in a pump chamber. Hydraulics made from corrosion-free composite material provide high levels of reliability for universal use in the pumping of a diverse range of fluids. Installation is made very simple due to its low weight, integrated capacitor and threaded connection. A double mechanical seal and the large sealing chamber facilitate long maintenance intervals. Direct access to the most important components make maintenance work very convenient. By utilising Wilo-Control switchgears, the Wilo-Padus UNI can also be integrated into existing building management systems.

  • Submersible design: Operates fully submerged in wastewater.
  • Robust construction: Cast‑iron housing with corrosion protection.
  • Free‑flow impeller: Handles sewage with solids up to ~50 mm.
  • Flexible installation: Suitable for wet‑well stationary setups or portable deployment.
  • Automatic operation: Versions available with float switch for level‑controlled pumping.
  • Compact footprint: Easy to integrate into small pits or tanks.

For pumping in commercial areas of:

  • Sewage without faeces
  • Wastewater (with small amounts of sand and gravel)
  • Wastewater, slightly acidic with a pH value > 4.5
  • The submersible pumps Rexa UNI … B/ are additionally suitable for pumping:
    • Lake- and seawater
      NaCl content (common salt): max. 30 g/l (4 US.oz/US.fl.gal) up to 20 °C (68 °F)
    • Swimming pool water, max. chloride content: 400 mg/l (23 US.gr/US.fl.gal)
    • Wastewater, slightly acidic with a pH value of > 3.5

The flexible drainage pump for a diverse range of fluids.

  • Exceptional reliability owing to corrosion-free hydraulics for universal applications and various fluids
  • Low weight, integrated capacitor at the AC motor and threaded connection allows for easy installation
  • Quick maintenance facilitated by direct access to the sealing chamber and pump housing
  • Long maintenance intervals resulting from a double mechanical seal and large volume sealing chamber
  • Clog-proof thanks to the integrated strainer

Download the Wilo-Padus UNI Installation Manual

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