Astro 225BS-3/4 Lead-Free Bronze 3-Speed Circulator Pump, 3/4" Sweat, 115V


Brand: Armstrong

Mfr Part#: 110223-304

Availability: In Stock
Usually ships: Today, if ordered by 3pm
Qty Price
$199.95 / each & Free Shipping
x4 $771.80 & Free Shipping
(4 x $192.95 / each)
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Astro 2 series, 225BS-3/4 model is a 115V, 3-speed circulator with 3/4" sweat connections, designed for domestic hot water recirculation and open-loop heating applications. This model replaces Grundfos UP15-18B7, Wilo Star 8 BS 7 and Taco 006-B4.


  • Designed for use in domestic hot water recirculation or open-loop heating applications;
  • e-Coating on the inside of the pump provides an enhanced corrosion protection for longer pump life and less debris in the system;
  • Large wiring box and convenient plug-in terminal strip;
  • 3-Speed functionality;
  • Lead-free, approved for potable water applications nationwide;
  • cETLus listed;
  • Standard flange (2-1/2" OC holes), compatible with other brand flanges & isolation valves.

Technical Specifications:

  • Electrical: 115V, 60Hz, 1 Phase;
  • Nominal Power: 75 Watts;
  • Amp Draw: 0.38A @ Spd 1; 0.49A @ Spd 2; 0.64A @Spd 3;
  • Max. fluid temperature: 230°F;
  • Max. ambient temperature: 104°F;
  • Max. operating pressure: 150 psi;
  • Max flow: 9 GPM;
  • Max. head: 12 ft;
  • Body material: Lead-Free Bronze;
  • Component materials: Noryl impeller, ceramix shaft & bearings, EPDM gasket;
  • System connections: 3/4" sweat;
  • Circulator height (inlet-to-outlet): 5.0".


5 years manufacturer's warranty.
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