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Description
The Armstrong Astro 2 circulators are designed for quiet operation and zero maintenance. In combination with cast iron volutes the Astro 2 line is intended to circulate water or ethylene-glycol solutions in closed hydronic or solar heating systems. The Astro 2 line is available in three volute materials for residential, small industrial, and commercial applications.

Includes:
  • Stainless steel circulator pump
  • Clock/timer
  • 6 ft. line cord

Features
  • Cross-reference information is printed on the box, for convenient access.
  • Flange-to-flange compatibility offers quick and easy exchange of competing models.
  • Large wiring box and convenient plug-in terminal strip save time.
  • High-flow check valve, is pre-installed for convenience. Where the installation does not call for a check valve, it can be removed in seconds.
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Specs
Connection Type:
Sweat
Size:
1/2"
Voltage:
115v
Hertz:
60
Material:
Stainless Steel
Max Fluid Temp:
230°F
Horse Power:
1/25
Type:
Pump
Phase:
1
Max Flow (GPM):
9
Flow Range (GPM):
0-9
Max Head (Ft):
5.5
Cord Length:
6'
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