Grundfos 59896771 UP15-29SF Stainless Steel Circulator Pump 1/12 HP 115V

The Grundfos UP15-29SF is a single-speed stainless steel circulator pump designed for residential and commercial hydronic heating and cooling applications. With 1/12 horsepower and 115-volt operation, this maintenance-free pump delivers reliable performance for radiant heating systems, hot water recirculation, solar heating, and chilled water cooling systems.

Key Features:

• Durable stainless steel pump housing provides superior corrosion resistance
• Flanged connections accommodate 3/4", 1", and 1-1/4" pipe sizes
• Wet rotor design with canned motor for quiet, maintenance-free operation
• Built-in motor protection extends service life
• Integral check valve prevents backflow
• Can be installed horizontally or vertically for flexible mounting
• UL and CSA listed for safety compliance
• Includes two flange gaskets for easy installation

Performance Specifications:

• Flow rate: 0 to 20.7 GPM
• Maximum head: 9.843 feet
• Power consumption: 87 watts
• Current draw: 0.75 amps
• Maximum pressure: 145 PSI
• Temperature range: 36°F to 230°F
• Frequency: 60 Hz, single phase

The UP15-29SF features a composite PES impeller, ceramic shaft, and aluminum oxide ceramic shaft seal for long-lasting reliability. The compact design measures approximately 6.5" in length by 5.5" in width, making it easy to install in tight spaces. This model replaces the earlier UP15-18SF (59896125) and is backed by a 2-year warranty from date of installation.