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Wilo-Star/Star-S
Installation and Operating Instructions  »

Wet rotor circulation pump, with flanged or union connections. Pre-selectable speeds to adjust the capacity on "S" versions

Cast iron body for hot-water heating systems of all kinds, industrial circulation systems, cold-water systems and air-conditioning systems.

Bronze body for domestic hot water applications

Special features/Product advantages
  • Suitable for any installation position with horizontal shaft; terminal box in 3-6-9-12 o'clock position
  • Three pre-selectable speed stages for load adjustment ("S" type only)
Wilo-Star/Star-S




Technical data

  • Permitted temperature range +14 °F to +230 °F (-10 °C to +110 °C)
  • Power supply 1~115 V, 60 Hz
  • Protection class F
  • Companion flange sizes ¾", 1", 1 ¼" and 1 ½" NPT
  • Max. operating pressure 145 PSI (10 bar)
Equipment
  • 3 manual selectable speed stages ("S" type only)
  • Impedance protected motor, motor protection not required
  • Cable entry both sides of terminal box
  • Quick connection spring clips for simple electrical connection
Materials
  • Pump housing: Grey cast iron (EN-GJL200) or bronze
  • Impeller: Engineered Composite (PP - 40% GF)
  • Shaft: Stainless steel (Cr)
  • Bearing: Metal-impregnated carbon
Scope of delivery
  • Pump
  • Flange gaskets
  • Installation and operating instructions
Wilo-Star/Star-S