Grundfos UPS50-40/4 Circulator Pump

Grundfos Pumps UPS50-40/4 is a compact, robust pump engineered for reliable water transfer and circulation in residential and light commercial systems. With a 1/3 HP motor, 3-phase power, and 208-230V operation, this unit delivers steady performance while keeping energy use in check. The 2-inch flanged connection simplifies installation and integration into existing pipelines, while the cast iron housing and wet rotor design ensure durability in demanding environments.

Compatible as a replacement part, it replaces 96402816 with 96402838, ensuring you have a ready upgrade path without extensive adjustments.

Designed for easy service and long life, this UPS50-40/4 model provides dependable pressure and flow for pumping applications, including solar water systems and building services. Its energy-efficient operation helps reduce total cost of ownership, while the rugged construction withstands tough operating conditions.

• 2" flanged connection for quick installation
• 1/3 HP, 3-phase motor
• 208-230V operation for versatile power supply
• Cast iron housing with wet rotor design for durability
• Replacement part: 96402816 to 96402838