UPS15-55SUC 3-Speed Stainless Steel Circulator Pump w/ IFC, 1-1/4" Union, 1/8 HP, 115V
Brand: Grundfos
Part#: 59896781
Model: UPS15-55SUC
In Stock
Usually ships: within 1 business days
Grundfos UPS15-55SUC model (Grundfos SKU# 59896781) is a 1/8HP, 3-Speed Stainless Steel Circulator Pump with removable Integral Check Valve and GU125 union connections (1-1/4"). Both stainless steel housing and 3 speeds of the Grundfos UPS15-55SUC model make it suitable for a wide range of applications such as radiant heating, solar, domestic water recirculation, storage tanks, chilled water cooling and many others.

  • Ceramic shaft and radial bearings
  • Carbon axial bearing
  • Stainless steel rotor can and bearing plate
  • Corrosion-resistant impeller, Composite, PES
  • Stainless steel pump housing
  • Check valve
  • Union connection
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Technical Specifications:
  • Speed Number: 3
  • Max flow: 25.1 US gpm
  • Head max: 18 ft
  • Liquid temperature range: 35.6 .. 230 F
  • Maximum operating pressure: 145 psi
  • Approvals on nameplate: UL, CSA
  • Pump housing: Stainless steel
  • Pump housing: DIN W.-Nr. 1.4301
  • Pump housing: AISI 304
  • Impeller: Composite, PES
  • Maximum ambient temperature: 104 F
  • Ambient max at 176 F liquid: 176 F
  • Maximum operating pressure: 145 psi
  • Flange standard: USA Threaded
  • Type of connection: S.S. Union
  • Pipe connection: 1-1/4" NPSM (GU125 Union)
  • Pressure stage: 10
  • Port-to-port length: 5.87"
  • Number of poles: 2
  • Power input in speed 1: 56 W
  • Power input in speed 2: 74 W
  • Max. power input: 87 W
  • Rated power in speed 1: 1/8HP
  • Rated power in speed 2: 1/10HP
  • Rated power in speed 3: 1/12HP
  • Main frequency: 60 Hz
  • Voltage: 115V
  • Current in speed 1: 0.31 A
  • Current in speed 2: 0.66 A
  • Current in speed 3: 0.69 A
  • Capacitor size - run: 10 mF/180 V
  • Insulation class (IEC 85): F
  • Gross weight: 5.4 lbs
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2 years from date of installation.
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Verified Purchase
Best pump for tankless recirculation
I have purchased few of them. I do mostly tankless service calls, this one is a must have in my truck. Old ones fail due to dummy plumbers. Guys-bleed the air out of the system and those pumps will last forever.
By Momchil (from Sacramento,CA) on 08/17/2016
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Verified Purchase
Best circulator for tankless water heater applications
Great pump, works perfect, quiet . Union connection is really easy to remove, no leaks
By Mitch (from Los Angeles) on 05/07/2016
Ask a Question
What is the power consumption?'
Helpful? Yes No
Power consumption is 56 Watts at 1st Speed, 74W at 2nd and 87W at 3rd.
By PexUniverse Customer Service on 10/16/2017

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