PDF: Wilo-Stratos GIGA


Page selection

Page size

Optional information

You can enter any personal information that you want to be displayed in the header.

Special features/product advantages
  • Innovative high-efficiency pump for highest efficiency, based on a new Wilo glanded pump design
  • Highly efficient EC motor (efficiency = IE4 limit values accordingto IEC TS 60034-31 Ed.1)
  • New hydraulics ideally adjusted to the EC motor technology
  • Integrated electronic power adjustment
  • Extremely compact and space-saving design
  • Easy-to-operate due to established red button technology and display
  • Different control modes ?p-c, ?p-v, PID and n=const. (manual control mode)
  • Control range is up to three times as high as for conventional electronically controlled pumps
  • Analogue interfaces 0-10 V, 2-10V, 0-20 mA, 4-20 mA
  • Optional interfaces for bus communication using plug-in IF-Modules
  • Integrated double pump management with efficiency-optimized peak-load activation
  • Two configurable signal relays for run and fault signals
  • Fault management tailored to heating and air-conditioning applications
  • Access disable on the pump can be activated
  • Integrated full motor protection
  • High corrosion protection due to cataphoretic coating
  • Condensate drainage as standard
  • Integral threaded pump feet for foundation installation


  • High efficiency, single stage, low pressure, inline centrifugal pump
  • Supplied with EC motor and electronic duty adaptation
  • Available in glanded construction , mechanical shaft seal, and flanged connections


Hot water heating systems, air conditioning, closed cooling circuits, industrial circulating systems without abrasive subtances.

Technical data

  • Permitted temperature range of the fluid:-4°F to 284°F [-20 °C to +140 °C]
  • Mains connection: 3~380 V - 3~480 V (±10 %), 50/60 Hz
  • Protection class: Enclosure Type 4X Indoor Use Only (only for US market) / IP 55, insulation class F
  • Max. operating pressure: 232 psi [16 bar] to 248°F [120 °C], 189 psi [13 bar] to 284°F [140 °C]

Model Numbers

ExampleWilo-Stratos GIGA 1.5/3-165
StratosHigh-efficiency pump
GIGAInline single pump
1.51Pipe connection [inch] [flanges acc. ANSI Class 125]
3-165Infinitely variable nominal pump head 3 to 165 [ft]

Details and downloads