Grundfos 59896781 UPS15-55SUC 1/12 HP 115V Stainless Steel Circulator Pump

The Grundfos UPS15-55SUC (SKU 59896781) is a compact, high-efficiency stainless steel circulator pump engineered for residential and light commercial hydronic heating systems. Featuring a 1/12 HP motor operating on 115V single-phase power, this pump delivers dependable, quiet circulation performance in a corrosion-resistant stainless steel construction that extends service life and reduces maintenance demands.

Key Features

• Stainless steel pump body for superior corrosion resistance and long-term durability
• 1/12 HP motor for efficient, low-energy hydronic circulation
• 115V single-phase power supply for easy residential and light commercial installation
• Compact, in-line design simplifies retrofits and new installations
• Quiet operation ideal for residential heating environments
• Designed for closed-loop hydronic heating and radiant floor systems
• Wet-rotor design — no shaft seal required, reducing maintenance needs

Typical Applications

• Residential hydronic heating systems
• Radiant floor heating loops
• Domestic hot water recirculation
• Light commercial boiler systems
• Snow melt and ice melt systems

Product Specifications

• SKU: 59896781
• Model: UPS15-55SUC
• Horsepower: 1/12 HP
• Voltage: 115V
• Construction: Stainless Steel (SS)
• Brand: Grundfos

Trust Grundfos engineering for proven reliability in hydronic systems. The UPS15-55SUC is a go-to choice for HVAC professionals seeking a durable, low-maintenance circulator pump that installs quickly and performs consistently season after season.