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Grundfos UPS 15-58 FC — 59896341 3-Speed Circulator Pump for Heating and Cooling

by Grundfos
SKU 59896341
$ 173.15 - $ 173.15
$ 173.15
$ 173.15 - $ 173.15
$ 173.15

Grundfos UPS 15-58 FC (59896341) — 3-Speed Circulator Pump

The Grundfos 59896341 is a 3-speed, cast-iron circulator pump designed for both heating and cooling systems. Ideal for residential and light commercial use, this reliable circulator delivers quiet operation, flexibility, and long-term efficiency. 

Key Features & Benefits

  • Three-speed motor for performance flexibility and system balancing
  • Quiet operation ideal for residential and small commercial systems
  • Built-in check valve and durable cast-iron construction
  • Maintenance-free wet-rotor design
  • Flanged connections for quick and simple installation

Applications

  • Hydronic heating systems
  • Radiant floor heating and fan-coil loops
  • Domestic hot-water recirculation (closed-loop systems)
  • Snow Melt

Specifications

Model UPS 15-58 FC
Item Number 59896341
Voltage 115 V, 60 Hz, single-phase
Material Cast-iron housing
Connections Flanged
Motor Type 3-speed wet-rotor
Max Head ~19 ft (5.8 m)
Max Flow ~17 GPM

 

Common Questions

Q: What systems is this circulator best for?
A: The UPS 15-58 FC is commonly used in hydronic heating loops, radiant floor systems, and closed-loop cooling circuits.

Q: Does this model include a built-in check valve?
A: Yes — the FC (flanged check) version includes a factory-installed internal check valve.

Q: Can it run continuously?
A: Yes — it’s designed for continuous operation in residential and light commercial environments.

Q: Is the pump speed adjustable?
A: Yes — select from three speed settings to match system requirements and optimize flow.

 

Reliable, quiet, and easy to install — the Grundfos UPS 15-58 FC delivers proven performance for your hydronic or cooling system.

This item replaces: HMCIR01, 59896248, 59896178, 8056173, 59896155

Electrical data
Power input in speed 1 0.08046 HP
Power input in speed 2 80 W
Max. power input 87 W
Main frequency 60 Hz
Rated voltage 1 x 115 V
Current in speed 1 0.55 A
Current in speed 2 0.66 A
Current in speed 3 0.75 A
Capacitor size - run 10 µF/180 V
Number of poles 2
Insulation class (IEC 85) F
Ex-protection standard CONTACT
Thermal protec Impedance protected

Technical
Speed Number 3
Rated flow 8.5 US gpm
Max flow 17.2 US gpm
Rated head 10.47 ft
Maximum head 19.36 ft
Approvals UL, CSA
Y = pump with built-in isolating and non-return valves Y

Installation
Maximum ambient temperature 104 °F
Ambient max at 176°F liquid 176 °F
Maximum operating pressure 145.04 psi
Type of connection 2-BOLT FLANGE C.I. Flange
Pipe connection 2-BOLT FLANGE
Pressure rating for connection PN 10
Port-to-port length 6.54 in

Liquid
Pumped liquid Water
Liquid temperature range 35.6 .. 230 °F
Selected liquid temperature 140 °F
Density 61.35 lb/ft³

Terminal box position 9H
Net weight 6.26 lb
Gross weight 6.75 lb
Country of origin US

View Spec Sheet (PDF)
View Install Manual (PDF)

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