Description
Grundfos UPS 50-80/2 F Wet Rotor Circulator Pump — Overview
The Grundfos UPS 50-80/2 F (SKU 96402838) is a high-performance, three-phase wet rotor circulator pump engineered for demanding hydronic heating and cooling applications. Combining a durable cast iron housing with a corrosion-resistant stainless steel impeller, this pump delivers reliable, long-service-life performance in commercial and light industrial hydronic systems.
Key Features
- 3/4 HP motor output for robust circulation capacity
- 208–230V AC, three-phase power supply for commercial installations
- 3450 RPM motor speed for efficient fluid transfer
- 3-speed operation allows field-adjustable flow to match system demand
- Wet rotor design — motor rotor runs in the pumped fluid, eliminating the need for mechanical shaft seals and external lubrication
- Cast iron housing provides strength and durability in high-pressure hydronic environments
- Stainless steel impeller resists corrosion and extends pump service life
- 2″ non-ANSI 4-bolt flange suction and discharge connections for straightforward system integration
Electrical Specifications
- Voltage: 208–230V AC
- Phase: Three Phase
- Motor Speed: 3450 RPM
- Horsepower: 3/4 HP
- Speed Settings: 3 Speed
Construction & Connection Details
- Housing Material: Cast Iron
- Impeller Material: Stainless Steel
- Pump Type: Wet Rotor Circulator
- Connection Type: 2″ Non-ANSI 4-Bolt Flange (Suction and Discharge)
Ideal Applications
- Commercial hydronic heating and cooling systems
- Boiler and chiller circulation loops
- Industrial process fluid circulation
- Secondary distribution in large-scale HVAC systems
Why Choose Grundfos?
Grundfos is a globally recognized leader in pump technology, known for engineering products that deliver energy efficiency, reliability, and ease of installation. The UPS 50-80/2 F reflects that legacy with its seal-free wet rotor design, multi-speed flexibility, and rugged construction — making it a trusted choice for HVAC professionals who demand performance and longevity from their hydronic equipment.









