Heating or Cooling Circulators

Performance range

0 to 64 USgpm flow; 0 to 42 ft head

Temperature

Max ambient temp 40°C; max fluid temp 110°C

Power Range

33 W to 218 W

Size

½” – ¾” sweat, 1¼” union, or standard 2 bolt flange

Description

astro 2 heating or cooling circulators

  • Applications Residential heating or cooling, potable water, water conservation.
  • DescriptionThe 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.
  • MaterialsCast iron, lead-free bronze, or stainless steel volutes
  • Performance range0 to 64 USgpm flow; 0 to 42 ft head
  • TemperatureMax ambient temp 40°C; max fluid temp 110°C
  • Power Range33 W to 218 W
  • Size½” – ¾” sweat, 1¼” union, or standard 2 bolt flange

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