UP43-75BF Bronze Circulator Pump, 1/6 HP, 115V


Brand: Grundfos

Mfr Part#: 52722370

Model: UP43-75BF

UPC#: 632514001374

Availability: In Stock
Usually ships: within 1 business day
Qty Price
$470.95 / each & Free Shipping
x2 $901.90 & Free Shipping
(2 x $450.95 / each)
  • Description
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  • FAQs (1)

Grundfos UP43-75BF is a single-speed bronze circulator pump (Grundfos SKU# 52722370), designed for use in a large number of heating, hot and cold water re circulation applications. Bronze housing of the Grundfos UP43-75BF model offers superior corrosion protection.

Pump features GF 40/43 flange connections (1-1/2").


  • Ceramic shaft and radial bearings;
  • Carbon axial bearing;
  • Stainless steel rotor can and bearing plate;
  • Corrosion-resistant impeller, Composite, PES;
  • Bronze pump housing.;

Technical Specifications:

  • Speed Number: 1;
  • Max flow: 40.9 US gpm;
  • Head max:24.9 ft;
  • Liquid temperature range: 35.6 - 230 F;
  • Maximum operating pressure: 145 psi;
  • Approvals on nameplate: UL, CSA;
  • Pump housing: Bronze;
  • Pump housing: DIN W.-Nr. 2.1176.01;
  • Impeller: Composite, PES;
  • Maximum ambient temperature: 104 F;
  • Ambient max at 176 F liquid: 176 F;
  • Maximum operating pressure: 145 psi;
  • Flange standard: USA Oval;
  • Type of connection: Bronze Flange;
  • Pipe connection: 1-1/2" flange (GF 40/43);
  • Pressure stage: 10;
  • Port-to-port length:8 1/2";
  • Number of poles: 2;
  • Max. power input: 215 W;
  • Rated power - P2:0.161 HP;
  • Main frequency: 60 Hz;
  • Voltage: 115V;
  • Current in speed 3: 2.15 A;
  • Capacitor size - run: 10mF/180 V;
  • Insulation class (IEC 85): F;
  • Gross weight: 15 lb;


2 years from date of installation.
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Can the Grundfos UP43-75BF pump be used safely for potable water?
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1 of 1 people found this answer helpful.
All Grundfos bronze and stainless steel circulators are low-lead certified to NSF/ANSI 372, meet the 2014 SDWA requirements and are approved for potable water applications.
Answered on 6/23/2016 by PexUniverse Customer Service
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Location: 5407 Foster Ave, Brooklyn, NY 11234