Description
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

Features
  • 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
  • Read more
    Specs
    Max Head (Ft):
    33
    Head Range (ft.):
    0-33
    Max Flow (GPM):
    11
    Flow Range (GPM):
    0-11
    Voltage:
    115v
    Hertz:
    60
    Material:
    Cast Iron
    Max Fluid Temp:
    230°F
    Connection Type:
    Flanged
    Type:
    Pump
    Horse Power:
    1/20
    ×
    Questions?
    Speak with a real person who will go out of their way to help!
    Call us 1-888-757-4774 Open Now:
    Monday – Thursday
    8am–5:45pm EST
    Friday
    9am–4:45pm EST

    Product Reviews

    Product Q&A