Wilo-Star/Star-S

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

Hot Water Heating Systems

Chilled Water

Air Conditioning Systems

Water/Glycol concentrations up to 50%

Solar

Geothermal

Max. Flow: 38 GPM

Max. Head: 33 feet

• 3 manual selectable speed stages ("S" type only)
• Reliable wet rotor technology
• Quick connect wiring
• Powerful starting torque
• Ultra quiet
• Installable hi-temp check (RFC model)
• RFC Patented Rotating Flange: US 8,297,664 B2

• Max Temp Range: 14°F to 230°F (-10°C to 110°C)
• Max Amb Temp: 104°F (40°C)
• Electrical Connection: 1~115v, Star S33 available in 1~115v, 230v
• Max Working Pressure: 140 PSI (10 Bar)

• Cast Iron Volute
• Engineered Composite Impeller
• Stainless Steel Shaft
• Carbon Impregnated Bearing
• Steel Terminal Box

• Pump
• Flange gaskets
• Installation and operating instructions

• Ventilation pump Star-RSL 25/6 with automatic ventilation connection
• Special version 25/4 and 25/6
  • Overall length 130mm (cast iron)
  • Overall length 180mm (red bronze)

• Max Temp Range: 14°F to 230°F (-10°C to 110°C)
• Max Amb Temp: 104°F (40°C)
• Electrical Connection: 1~115v, Star S33 available in 1~115v, 230v
• Max Working Pressure: 140 PSI (10 Bar)

• Cast Iron Volute
• Engineered Composite Impeller
• Stainless Steel Shaft
• Carbon Impregnated Bearing
• Steel Terminal Box

• Pump
• Flange gaskets
• Installation and operating instructions

• Ventilation pump Star-RSL 25/6 with automatic ventilation connection
• Special version 25/4 and 25/6
  • Overall length 130mm (cast iron)
  • Overall length 180mm (red bronze)