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Wilo Stratos 25

Availability: In stock

Product Name Price Qty
STRATOS 25/1-6 PN6/10
STRATOS 25/1-4 PN6/10
STRATOS 25/1-8 PN6/10
STRATOS 25/1-10 PN6/10

Quick Overview

The Wilo Stratos Range are Glandless circulator pumps with screwed or flange connections, EC motor and automatic capacity adjustment. Sutiable for Hot-water heating systems of all kinds, air conditioning, closed cooling circuits, industrial circulation systems.

Product Attachments

View FileWilo Stratos Datasheet    Size: (1.24 MB)
Wilo Stratos 25 Wilo Stratos 25

Technical data 

  • Permitted temperature range -10 °C to +110 °C
  • Mains connection 1~230 V, 50 Hz
  • Protection class IP 44
  • Nominal width Rp 1 to DN 100
  • Max. operating pressure: Screwed pumps 10 bar; Flanged pumps 6/10 bar or. 6 bar (special version: 10 bar or 16 bar)


  • EC motor
  • Pre-selectable control modes Δp-c, Δp-v, Δp-T for optimum load adjustment
  • Pre-selectable speed for constant operation
  • Automatic setback operation for further savings potential
  • Dual pump management
  • Red button technology for very easy operation
  • Graphic pump display with rotatable display
  • Programming via manual operation level or Wilo IR monitor
  • Infrared interface for Wilo IR monitor
  • Integrated motor protection
  • Extensible BA interfaces with optional IF module
  • Extensible pump communication with plug technology that can be easily retrofitted: ideal for building automation
  • Fault lamp and contact for collective fault signal
  • Cataphoretic coated pump housing
  • Combination flange PN 6/PN 10 (for DN 32 to DN 65)
  • Thermal insulation shells for heating applications as standard


  • Glandless circulator with EC motor and integrated automatic capacity adjustment
  • Red button technology and graphic display
  • Motor protection with trip electronics
  • Plug connection for extending the functions, with optional IF module for building automation (BA)
  • Impeller with three-dimensionally curved blades and plastic can in carbon fibre compound material