Grundfos 96402840 3/4HP 460V 3-Phase 2-Speed Wet Rotor Circulator Pump UPS 50-80/2 F

Grundfos UPS 50-80/2 F Wet Rotor Circulator Pump

The Grundfos 96402840 (Model UPS 50-80/2 F) is a heavy-duty, two-speed wet rotor circulator pump engineered for demanding hydronic heating and cooling applications. Combining a robust cast iron housing with a corrosion-resistant stainless steel impeller, this pump delivers reliable, long-service-life performance in commercial and industrial hydronic systems. The wet rotor design eliminates the need for external bearings and seals, reducing maintenance requirements and extending operational life.

Key Specifications

• Motor Power: 3/4 HP
• Voltage: 460 VAC
• Phase: Three Phase
• Speed: 3,450 RPM, 2-Speed
• Housing Material: Cast Iron
• Impeller Material: Stainless Steel
• Pump Type: Wet Rotor Circulator
• Connections: 2″ Non-ANSI 4-Bolt Flange Suction and Discharge
• Model Number: UPS 50-80/2 F
• SKU: 96402840

Design & Construction

• Cast iron pump housing provides exceptional durability and resistance to mechanical stress
• Stainless steel impeller resists corrosion for long-term reliability in hydronic systems
• Wet rotor design — rotor runs in the pumped fluid, eliminating shaft seals and external bearings
• Two-speed operation allows system optimization for varying load conditions, improving energy efficiency
• 2″ non-ANSI 4-bolt flange connections on both suction and discharge for secure, leak-free installation

Applications

• Commercial and industrial hydronic heating systems
• Hot water circulation in boiler systems
• Chilled water distribution in cooling systems
• Large-scale HVAC hydronic loops
• Process water circulation

Why Choose the Grundfos UPS 50-80/2 F?

Grundfos is a globally recognized leader in pump technology, and the UPS 50-80/2 F reflects their commitment to quality and innovation. The two-speed capability allows operators to match pump output to actual system demand, reducing energy consumption during partial-load conditions. The maintenance-friendly wet rotor design and premium materials make this pump a cost-effective, long-term investment for any hydronic system.