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Grundfos UPS43-44FC 230V
230 Volt Cast Iron Circulator Pump for Applications Requiring Lower Head Pressure & Higher Flow Rate

Product has been discontinued.
Please call us for a suitable alternate product.

Mon - Fri 8:30am - 5:00pm Central

This boiler circulating pump can be used:

  • As a replacement part for existing boilers
  • If your have independent heating "zones". Each zone requires its own pump. (Also, a zone control panel is required.)

Grundfos circulators are easy to install, reliable, and versatile. They include quick connect terminals and a removable check valve, Grundfos backs their product up with an industry leading three-year warranty, and these circulators have a unique three speed motor with a control switch located on the terminal box to insure optimal performance for a wide range of hydronic systems.


  • 3-speed motor allows you the ability to adjust the pump speed to fit your specific application
  • Quick connect terminals for easy installation
  • Removable Check Valve eliminates the need for an in-line flow check
  • Patented electronic starting unit provides the highest starting torque of any circulator in its class
  • Ceramic bearings ensure years of quiet, trouble free operation
  • Internal lip seal and filter – keeps debris out of rotor can
  • Backed by an industry leading three-year warranty

Max Temp
230 °F 

0.9 Amps 

Horse Power
1/6 HP 

Max Water Pressure
145 PSI 

Product Weight
13.6 lbs 

6 11/16 Inches 

8 1/2 Inches 

230 Volts 

60 Hz 
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(800) 865-5931
Monday to Friday
8:30am - 5:00pm Central
  Mailing Address
1901 N. Clybourn Avenue
Suite 200
Chicago, IL 60614
[email protected]
or Contact Us Here
(425) 928-2455
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