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Wet Rotor Circulators

Three Speed Wet Rotor Circulator


  • Hot Water Heating Systems
  • Cold Water
  • Air Conditioning Systems
  • Water/Glycol concentrations up to 50%
  • Solar
  • Geothermal

Max. Flow: 38 GPM

Max. Head: 33 feet

Features & Benefits

  • 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

Technical Data

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

Materials of Construction

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

Installation & Operation Manual

Star Series IOM

Catalog Pages

Star/Star S


Star Series- Single and Three-Speed Wet Rotor Circulators


Pumps and Circulators (Building Services)

Product Specification


Product Specification

Star S Specification

Submittal Data Sheets

Star S

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