Grundfos UP 15-29 SU — 59896775 Stainless Steel Circulator Pump

Grundfos UP 15-29 SU (59896775) — Stainless Steel Hot Water Recirculation Pump

The Grundfos UP 15-29 SU is a high-efficiency stainless-steel circulator pump built for continuous operation in domestic hot-water recirculation systems. Its corrosion-resistant housing makes it ideal for potable water, while the quiet, maintenance-free motor ensures reliable comfort and energy savings. 

Key Features & Benefits

• Stainless-steel pump housing — approved for potable water applications
• Quiet, maintenance-free wet-rotor motor for long service life
• Energy-efficient design reduces power consumption
• Built-in thermal protection prevents motor damage
• Union connections for quick and easy installation

Applications

• Domestic hot-water recirculation systems
• Potable water loops in residential or light commercial buildings
• Closed-loop heating or cooling systems requiring stainless components

Specifications

Compact, quiet, and built to last — the Grundfos UP 15-29 SU delivers dependable performance for residential hot-water recirculation systems.

This item replaces: 59896127

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

Technical
Speed Number 1
Rated flow 10.3 US gpm
Max flow 20.7 US gpm
Rated head 5.322 ft
Maximum head 9.843 ft
Approvals UL, CSA

Installation
Maximum ambient temperature 104 °F
Ambient max at 176°F liquid 176 °F
Maximum operating pressure 145.04 psi
Type of connection 1 1/4" NPSM S.S. Union
Pipe connection 1 1/4" NPSM
Pressure rating for connection PN 10
Port-to-port length 5 15/16 in

Liquid
Pumped liquid Water
Liquid temperature range 35.6 .. 203 °F
Selected liquid temperature 140 °F
Density 61.35 lb/ft³

Terminal box position 9H
Net weight 4.82 lb
Gross weight 5.69 lb
Country of origin US