Leeson Electric Motors

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Leeson Electric Motors

Armstrong Hot Water Circulation Pumps
Armstrong Astro 2 Series
Three Speed Wet Rotor Circulators
Replaces Astro 30-3 & 50-3

Typical Applications: Hot Water Boiler & Booster Pumps
Replacements for Armstrong, Bell & Gossett, Taco flanges, Grundfos


  • Extra quiet operation for residential, office commercial, hospital or educational institutions
  • Maintenance free
  • Integral manual air vent
  • Backed by Armstrong's 2-year "no hassle" warranty
  • Reduces wholesaler inventory requirements dramatically
    Together, the Astro 230CI and Astro 250CI can replace most competitive water lubricated pumps up to 1/20 hp
  • Includes Flange Gaskets
Astros are available with self-lubricated bearing, vent plug for initial purging, and dynamically balanced stainless steel rotor assembly.
No need for mechanical seal; no coupler alignment failure. Pumps will accept flange sizes 3/4", 1", 1-1/4" & 1-1/2". Same flange to flange
dimension as competitive small circulators. All Astros: 120 Volt/60Hz
Back to Water Circulator Menu


Astro 230CI

Astro 230SS

Astro Cross Reference
Installation Manual
Flanges not Included
Catalog # Model Sale  
Iron Body Construction
110223-305 Astro 230CI
(Astro 30-3)

Will Replace Grundfos UPS15-58FC

110223-307 Astro 250CI
(Astro 50-3)
Bronze Body Construction
110223-306 Astro 230SS $227.37


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