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

Model	UP 15-29 SU
Item Number	59896775
Voltage	115 V, 60 Hz, single-phase
Material	Stainless steel (304)
Connection Type	Union 1-1/4 in. (Union Fitting Sold Separately)
Max Flow	Up to 20 GPM
Max Head	Up to 9 ft (2.7 m)
Liquid Temperature Range	36 °F – 230 °F (2 °C – 110 °C)

 

Common Questions

Q: Is the UP 15-29 SU safe for drinking water?
A: Yes — its stainless-steel housing is certified for potable water use.

Q: Does this model require maintenance?
A: No — it uses a sealed, wet-rotor design that operates silently without lubrication or service.

Q: Can it run continuously?
A: Yes, the motor is rated for continuous duty in domestic recirculation systems.

Q: What is the difference between the SU and B models?
A: The SU features stainless-steel construction for potable water, while B models use bronze for non-potable loops.

 

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