Grundfos UP - 1/6 HP - Single-Speed Circulation Pump - Cast Iron - GF 40/43 Flange

Grundfos UP - 1/6 HP - Single-Speed Circulation Pump - Cast Iron - GF 40/43 Flange
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Model: 52722373
(Based on expert analysis, manufacturer ratings and customer reviews)
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
Number of Reviews (9)
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  • Product Description
  • 9
    Reviews
  • 2
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
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Features
Features
    Grundfos pumps offer the pinnacle of reliability and performance for a large variety of water circulation applications. From home hydronic circulation to large scale commercial water movement, Grundfos has a pump that will provide years of trouble-free service. The UP43-75F is a single speed circulator with a wet-rotor fluid movement design. Solid cast iron construction guarantees years of reliable performance with minimal maintenance needs, while hardwire electrical connection design allows the pump to tap directly into your home's electrical supply.
  • Durable Cast Iron Construction
  • The Grundfos UP43-75F is crafted from cast iron, which gives the pump both extended lifespan and protection against corrosion.
  • Whisper Quiet Operation
  • The UP43-75F pump runs quiet even at high flow levels, ensuring the pump won't distract you from your work or disrupt your sleep.
  • Resilient Wet-Rotor Fluid Movement
  • The wet rotor design of the UP43-75F lends integrity to both the motor and the rotor itself, providing exceptional longevity to any hydronic system the pump is a part of.
Specifications
General Information
Product Line
UP43-75
Motor Type
Single Speed
Connection Type
Flanged
Mount Type
In-Line
Material
Cast Iron
Drive Type
Wet Rotor
UPC
05700391377501
Performance
Maximum Head
24.9 Feet
Maximum Flow Rate
40.9 GPM
Minimum Fluid Temperature
35.6 F
Maximum Fluid Temperature
230 F
Horsepower
2/12
Maximum Operating Pressure
145 PSI
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Current Draw
2.15 Amps
Dimensions
Product Height
6 11/16 Inches
Product Width
5 7/8 Inches
Product Depth
8 1/2 Inches
Product Weight
13.5 Pounds
Flange Connection
GF 40/43
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
2 Years
Features
Features
    Grundfos pumps offer the pinnacle of reliability and performance for a large variety of water circulation applications. From home hydronic circulation to large scale commercial water movement, Grundfos has a pump that will provide years of trouble-free service. The UP43-75F is a single speed circulator with a wet-rotor fluid movement design. Solid cast iron construction guarantees years of reliable performance with minimal maintenance needs, while hardwire electrical connection design allows the pump to tap directly into your home's electrical supply.
  • Durable Cast Iron Construction
  • The Grundfos UP43-75F is crafted from cast iron, which gives the pump both extended lifespan and protection against corrosion.
  • Whisper Quiet Operation
  • The UP43-75F pump runs quiet even at high flow levels, ensuring the pump won't distract you from your work or disrupt your sleep.
  • Resilient Wet-Rotor Fluid Movement
  • The wet rotor design of the UP43-75F lends integrity to both the motor and the rotor itself, providing exceptional longevity to any hydronic system the pump is a part of.
Specifications
General Information
Product Line
UP43-75
Motor Type
Single Speed
Connection Type
Flanged
Mount Type
In-Line
Material
Cast Iron
Drive Type
Wet Rotor
UPC
05700391377501
Performance
Maximum Head
24.9 Feet
Maximum Flow Rate
40.9 GPM
Minimum Fluid Temperature
35.6 F
Maximum Fluid Temperature
230 F
Horsepower
2/12
Maximum Operating Pressure
145 PSI
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Current Draw
2.15 Amps
Dimensions
Product Height
6 11/16 Inches
Product Width
5 7/8 Inches
Product Depth
8 1/2 Inches
Product Weight
13.5 Pounds
Flange Connection
GF 40/43
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
2 Years
Product Specs
+
Specifications
General Information
Product Line
UP43-75
Motor Type
Single Speed
Connection Type
Flanged
Mount Type
In-Line
Material
Cast Iron
Drive Type
Wet Rotor
UPC
05700391377501
Performance
Maximum Head
24.9 Feet
Maximum Flow Rate
40.9 GPM
Minimum Fluid Temperature
35.6 F
Maximum Fluid Temperature
230 F
Horsepower
2/12
Maximum Operating Pressure
145 PSI
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Current Draw
2.15 Amps
Dimensions
Product Height
6 11/16 Inches
Product Width
5 7/8 Inches
Product Depth
8 1/2 Inches
Product Weight
13.5 Pounds
Flange Connection
GF 40/43
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
2 Years
Reviews
(9)
+
Grundfos 52722373 Reviews & Ratings
Product Q&A
(2)
+
Search Product Q&A's Answered by Bob, the Heating Product Expert
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Can this pump work upside down? That is installed vertically but the flow goes from above to below?
Robert 
from Illinois 
December 31, 2015
Answer
The pump can be installed in any orientation as long as the motor shaft is located horizontally. It is also best practice to have the terminal box on one side of the pump with the conduit entry facing down. Details can be found in the installation manual on page 7.
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My pump froze. Is there more to changing out the pump than shutting both gate valves and undoing the 4 bolts?
Mike 
from California 
September 19, 2015
Answer
As long as there are isolation valves on either side of the pump, you should be okay. You might need new flanges if they are leaking. Please refer to the Grundfos UP Installation Manual for more details.
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