Astro-250CI 3-Speed Cast Iron Circulator, 0-18 GPM Flow

  • Sale
  • $126.33

The Armstrong Astro 250 is a hydronic circulator that conserves energy and eliminates maintenance. Armstrong's Astro Circulator is intended for circulating water or ethylene glycol solutions in closed hydronic or solar heating systems. It is designed with no mechanical seals or couplers to replace, and no lubrication is required.

**Flanges must be purchased separately


  • Efficient/Quiet Operation
  • Universal Flange to Flange Dimension
  • Cast Iron
  • UL and CSA Listed

  • Benefits
  • No mechanical seals to leak
  • No couplers to break
  • No lubrication
  • Noryl impeller
  • Vent plug for initial purging if required
  • Stainless Steel shaft
  • Ethylene Propylene gaskets
  • Impedance protected motor
  • Max Flow (GPM): 18
    Flow Range (GPM): 0-18
    Max Head (Ft): 24
    Head Range (ft.): 0-24
    Phase: 1
    Voltage: 115v
    Hertz: 60
    Material: Cast Iron
    Max Fluid Temp: 230°F
    Horse Power: 1/20
    Connection Type: Flanged
    Type: 3-Speed Pump