Armstrong Astro 250 Stainless Steel 3-Speed Circulator

SKU: ARM 01560 Categories: , Tag:

  • Max. fluid temperature*: 185°f/85°c (astro 286 up to 1.35a), 150°f/65°c (astro 286 over 1.35a), 230°f/110°c (all others)
  • Max. working pressure: 150 psi / 1034 kPa
  • Certification: etl listed for US and Canada (conforms to ul std.778 certified to csa std. c22.2 no.108-01)
    nsf 372 (for lead free bronze and stainless steel models)
  • Pump body: Cast iron (closed system), Stainless steel** (open system), Lead-free bronze** (open system)
  • Impeller: Noryl
  • Shaft: Ceramic
  • Bearings: Ceramic
  • Gasket: epdm

Order Now: 780-438-2485 Contact Us


Armstrong Astro 2 stainless steel circulators are designed for closed hydronic systems and solar heating systems. They operate quietly with zero maintenance and are intended to circulate water or glycol solutions in combination with cast iron volutes.

Additional information

Weight 8 lbs
Dimensions 6 × 4 × 6.38 in