Grundfos 59896114
Grundfos 59896114
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Grundfos UP - 1/25 HP - Single-Speed Circulation Pump - Bronze - 1/2" Sweat



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Grundfos UP - 1/25 HP - Single-Speed Circulation Pump - Bronze - 1/2
Grundfos UP - 1/25 HP - Single-Speed Circulation Pump - Bronze - 1/2" Sweat
Model: 59896114
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Recommended Accessories

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Expert Recommended Accessories Selected by Bob, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10


    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 UP15-18B5 is a single speed circulator with a wet-rotor fluid movement design. Solid bronze 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 Bronze Construction
  • The Grundfos UP15-18B5 is crafted from bronze, which gives the pump both extended lifespan and protection against corrosion.
  • Whisper Quiet Operation
  • The UP15-18B5 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 UP15-18B5 lends integrity to both the motor and the rotor itself, providing exceptional longevity to any hydronic system the pump is a part of.


specs product image PID-36766
Product Category
Boiler Accessories
General Information
Product Line
Product Category
Boiler Accessories
Motor Type
Single Speed
Connection Type
Mount Type
Drive Type
Wet Rotor
DHW Compatible Learn More
DHW Compatible
Can be used in Domestic Hot Water applications (baths, sinks, showers).
Maximum Head
13.8 Feet
Maximum Flow Rate
14.5 GPM
Minimum Fluid Temperature
35.6 F
Maximum Fluid Temperature
230 F
Maximum Operating Pressure
145 PSI
Electrical Data
115 Volts
60 Hz
Current Draw
0.74 Amps
Connection Size
1/2 Inch
Product Height
4 11/16 Inches
Product Width
5 Inches
Product Depth
5 Inches
Product Weight
6 Pounds
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
2 Years


Grundfos 59896114 Reviews & Ratings

Product Q&A

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Product Questions Answered by Bob, the Heating Product Expert
Can this pump work upside down? That is installed vertically but the flow goes from above to below?
from Illinois 
December 31, 2015
My pump froze. Is there more to changing out the pump than shutting both gate valves and undoing the 4 bolts?
from California 
September 19, 2015

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Grundfos UP - 1/25 HP - Single-Speed Circulation Pump - Bronze - 1/2" Sweat
Grundfos 59896114
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