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1 1/4 union, line cord, timer, check valve, and 3 speed.

Think Stainless.

Choosing a stainless steel circulator ensures that you will always have the right pump - whether it is an open or closed system. Grundfos offers three stainless steel models, including two that feature our 3-speed SuperBrute technology.


  • Perfect for hot water recirculation applications
  • Stainless steel - Protects against corrosive fluids
  • Available in standard union or two-bolt flange
  • 3-speed SuperBrute technology available
  • Timer and line-cord options available
  • Integrated, removable check valve
  • Quick connect terminals - for easy installation
  • Highest starting torque in its class
  • Industry leading three-year warranty

Product name UPS 15-55 SUC/TLC
Product No. 59896783
EAN 5700837428156
Speed Number 3
Max flow 25.1 US gpm
Maximum head 18.05 ft
Approvals UL, CSA
Y = pump with built-in isolating and non-return valves pump with built-in isolating and non-return valves
Pump housing Stainless steel
AISI 304
Impeller Composite, PES
t max amb 104 °F
Ambient max at 176°F liquid 176 °F
Maximum operating pressure 145.04 psi
Type of connection USA Threaded
S.S. Union
Pipe connection 1 1/4" NPSM
Pressure rating for connection PN 10
Port-to-port length 5 7/8 in
Pumped liquid Water
Liquid temperature range 35.6 .. 150.8 °F
Selected liquid temperature 140 °F
Density 61.35 lb/ft³
Electrical data
Power input in speed 1 0.0751 HP
Power input in speed 2 74 W
Max. power input 87 W
Main frequency 60 Hz
Rated voltage 1 x 115 V
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 µF/180 V
Number of poles 2
Insulation class (IEC 85) F
Built-in motor protection CONTACT
Thermal protec internal
Cable type Connecting cord with plug
Terminal box position 9H

Gross weight 6.2 lb

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