UPS15-58FC 3-Speed Circulator Pump w/ IFC, 1/25 HP, 115V
Brand: Grundfos
Part#: 59896341
Model: UPS15-58FC
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$133.95 / each
$503.80 box of 4
($125.95 each)
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Grundfos UPS15-58FC circulator pump (Grundfos# 59896341) incorporates a cast iron housing, three speed motor (Low/Med/High) and a built-in, removable check valve. Grundfos UPS15-58FC is among the most popular and most versatile circulator pump models on the market. Pump's performance parameters cover nearly all traditional heating applications - from radiant and baseboards, to fan coils and zoning and many others. 3 speeds allow to set up the circulator pump in a way, that matches the system's requirements, while wet rotor design allows it to be virtually silent while operating.

Applications:
  • Closed loop radiant heating & snow melting systems.
  • Baseboard/Radiator/Fan coil heating and other hydronic heating applications.

Features:
  • Built-in motor protection for longer life and better performance.
  • Suitable for a wide range of applications, including radiant heating, hydronic heating, fan coil heating, solar and other system types.
  • Whisper-quiet operation for sound sensitive installations.
  • Includes (2) Gaskets (O-rings).
  • UL/CSA listed.

Technical Specifications:
  • Voltage: 115V
  • Amperage at Speed 1: 0.55 Amps
  • Amperage at Speed 2: 0.66 Amps
  • Amperage at Speed 3: 0.75 Amps
  • Hertz: 60 Hz
  • Phase: 1
  • Watts at Speed 1: 60W
  • Watts at Speed 2: 80W
  • Watts at Speed 3: 87W
  • Max Pressure: 145 psi
  • Max Temperature: 230F
  • Min Temperature: 36F
  • Flow Range: 0-17 GPM
  • Head Range: 0-19.5 ft
  • Horse Power: 1/25HP
  • Body: Cast Iron
  • Connections: Flanged 1/2", 3/4", 1", 1-1/4".

Warranty:
3 years manufacturer's warranty.
Write a Review
Helpful? Yes 3 No
it did every thing i wanted
i used this pump for my solar system for my pool it did much better than i thought it would the pump i bought was the grundfos ups-15-58f3 i would buy it again thank you
Pump Model: Standard
By tom the roofer (from kennewick wa) on 07/30/2011
Helpful? Yes 3 No
Verified Purchase
Super Quiet pump
"Just installed it and i am very satisfied. The flow is constant ,and very quiet, so much that i have to touch it to see if it is running. We use our pump for circulating our pond water thru the bio filter. WORKS GREAT kilowatt"
Pump Model: Standard
By kilowatt (from Rockport Texas) on 06/21/2011
Helpful? Yes 2 No
Verified Purchase
Horizontal Motor Shaft Only
I like Grundfos products and this is no exception. However the situation in which I needed to mount this caused some confusion. Make sure you read and follow the instructions that say "DO NO MOUNT THIS WITH THE MOTOR SHAFT IN THE VERTICAL POSITION". Took me a while to figure out how to disconnect/reconnect the motor so that I could mount it where it needed to be and still have the motor shaft in the horizontal position. How to do it is in the instructions. All is well and good. It's circulating water through my solar thermal panel like a champ.
Pump Model: Standard
By Calvin (from Snowflake, AZ) on 10/03/2019
Helpful? Yes 2 No
Verified Purchase
Replacement pump just in case
Bought this as a direct replacement spare. Current Grundfos is still going strong after 12 years but I wanted a spare on hand.
Pump Model: Rotated Flange
By Ronald (from Elizabeth, CO) on 11/26/2018
Helpful? Yes 1 No
Verified Purchase
Hot water record pump
Have not installed yet is a backup for my taco i'am sure will be ok as all pecuniary products
Pump Model: Standard
By WILLIAM (from North wildwood, NJ) on 03/21/2021
Helpful? Yes 1 No
Verified Purchase
Excellent, quiet pump.
I decided to control this pump with a TP-Link smart plug and a phone app (Kasa). Now I have instant hot water on demand (and/or via a schedule) by using my smart phone! Awesome! Amazon Alexa also integrates nicely!
Pump Model: Standard
By James (from Santa fe, NM) on 02/20/2020
Helpful? Yes 1 No
Verified Purchase
parts
reliable circulator
Pump Model: Standard
By toby (from Swanton, VT) on 02/05/2019
Helpful? Yes 1 No
Verified Purchase
Easy install
This was a replacement for old failed pump. Price was fair, delivery as promised. Installation was easier than expected. New pump works great.
Pump Model: Rotated Flange
By DIY (from Rhode Island) on 01/27/2016
Helpful? Yes 1 No
Excellant product
Used this on my boiler for closed loop hotwater home heating. Bolted right up from old unit. No additional plumbing. Loved the quick connect terminals in the conection box. very quiet.
Pump Model: Standard
By SuperDave (from Moncton, NB) on 01/11/2012
Helpful? Yes 1 No
Verified Purchase
Great price
Excellent product, great price and fast shipping.
Pump Model: Rotated Flange
By Dave28 (from Baden, PA) on 11/29/2011
Helpful? Yes No
Verified Purchase
New circulator pump
When our pump went sour, I searched for a direct replacement. PexUniverse had the matching model at the right price. Packed securely and shipped rapidly, I was installing the following weekend. A short test proved that our problem was solved. Thank you, PexUniverse!
Pump Model: Rotated Flange
By George (from White river junction, VT) on 09/12/2024
Helpful? Yes No
Verified Purchase
Pumps
Fair price, timely delivery
Pump Model: Standard
By Robert (from Tijeras, NM) on 02/28/2024
Helpful? Yes No
Verified Purchase
Fast
Quick delivery! Thank you
Pump Model: Standard
By Tomasz (from Westfield, VT) on 02/26/2024
Helpful? Yes No
Verified Purchase
Excelent service!
Nice equipment and reliability
Pump Model: Rotated Flange
By JUAN GOMEZ PALACIOS PTY (from Medley, FL) on 02/26/2023
Helpful? Yes No
Verified Purchase
Good Source
Although the install, due to original workmanship was difficult, the pump is preforming beautifully. On initial startup threw a code, a reset took care of that and no issues to date. I was impressed with the company interaction, real humans not an AI artificial feminine voice. I have plans on replacing the other four pumps due to age and this is my source. I was also impressed with the speed of delivery.
Pump Model: Standard
By George (from Windsor, NY) on 10/18/2022
Helpful? Yes No
Verified Purchase
My favorite pump for radiant floor heating
That's best bump for 1/2" up to 250' loops radiant floor heating systems
Pump Model: Standard
By Momchil (from Orangevale, CA) on 06/16/2022
Helpful? Yes No
Verified Purchase
Grundfos Circulating Pump
The pump I received from PexUniverse was an identical replacement for the existing pump that went bad. I replaced the bad pump with the new one received from PexUniverse and it is working fine. I highly recommend products from PexUniverse.
Pump Model: Standard
By Ronald (from Allyn, WA) on 11/29/2021
Helpful? Yes No
Verified Purchase
Exact replacement
The pump was exactly what I needed.
Pump Model: Standard
By Alan (from Albany, or - 97322, OR) on 10/13/2021
Helpful? Yes No
Verified Purchase
Great sales transaction!
Very low price and super fast FREE Fedex shipping. I couldn't be happier with how well the ordering and shipping went. I will definitely be buying from PEX Universe again
Pump Model: Rotated Flange
By Robert (from Beaver meadows, PA) on 04/21/2021
Helpful? Yes No
Verified Purchase
Extra a
Just bought this as a spare.
Pump Model: Rotated Flange
By David (from Millinocket, ME) on 03/12/2021
Helpful? Yes No
Verified Purchase
Fair product
Not as well built as they used to be
Pump Model: Standard
By Joel (from Alfred station, NY) on 02/08/2021
Helpful? Yes No
Verified Purchase
Works well
Have used these a few times and they seem well built ... The wires are easy to connect with the clips ... There is very little room in there to manuver things so wiring them is a little tight ... Otherwise these are great
Pump Model: Standard
By David (from Ronkonkoma, NY) on 10/23/2020
Helpful? Yes No
Verified Purchase
It worked
Perfect replacement for a dead Grundfos 15-58. Easy, quick install.
Pump Model: Standard
By Brian (from Fairfield, VT) on 04/13/2020
Helpful? Yes No
Verified Purchase
customer servce
Outstanding service and excellent product
Pump Model: Rotated Flange
By jesse (from Urbana, OH) on 01/31/2020
Helpful? Yes No
Verified Purchase
very satisfied
great product great value and fast delivery
Pump Model: Standard
By Jeff (from Blackfoot, ID) on 12/24/2019
Helpful? Yes No
Verified Purchase
Recirc pump replacement
Exact OE replacement. Delivered quick. Order process simple.
Pump Model: Rotated Flange
By Stephen (from Freeport, ME) on 10/09/2019
Helpful? Yes No
Verified Purchase
Great pump
Satisfied with all products bought from Pexuniverse
Pump Model: Rotated Flange
By Don (from Philadelphia, PA) on 04/11/2019
Helpful? Yes No
Verified Purchase
Nice
Have not used it, yet. But it sure looks good!
Pump Model: Standard
By Aleksey (from Spokane, WA) on 02/07/2019
Helpful? Yes No
Excellent product
Second one bought!
Pump Model: Standard
By Motel owner (from Miami Florida ) on 04/16/2013
Helpful? Yes -1 No
Verified Purchase
ups15-58fc 3 speed circulator pump
great product and shipped on time give it a 5 star
Pump Model: Standard
By Larry (from Montgomery, TX) on 12/07/2020
Ask a Question
What is the difference between the FC and FRC model?
Helpful? Yes 4 No
FC models have a flange with holes for bolts perpendicular to the motor. The FRC's are models with "rotated" flange, which has bolt holes in line with the motor. These options are designed to accommodate different positions of the circulator during the installation.
By PexUniverse Customer Service on 05/04/2015
Is this pump acceptable for potable water?
Helpful? Yes 3 No
No. You will need to use either stainless steel or bronze circulator for potable water applications.
By PexUniverse Customer Service on 03/27/2015
Hi, is this pump available with a 1 1/2" flange size? It is replacing an older UPS 20-42 3 speed which is located on my boiler return nipple. I will be re-piping the new pump to the supply side along with an expansion tank and air separator but need a 1 1/2" flange.Thanks
Helpful? Yes 1 No
All Grundfos UP15 (UPS15) through UP26 (UPS26) allow for maximum 1-1/4" flange. Only models UPS43 and up allow for 1-1/2" flange connection.
By PexUniverse Customer Service on 07/30/2012
Does this pump needs to be connected to the electrical power all the time or there' got to be a switch ?Thank you.
Helpful? Yes No
Circulator pumps are typically installed in conjunction with an external control, which acts as a switch. The most common way is to use a zone control (switching relay), such as Grundfos UPZCP. The control creates an interface between the pump, boiler and thermostat and when the latter calls for heat, the pump and boiler are switched on.
By PexUniverse Customer Service on 07/08/2016
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