Grundfos 98126816 Magna3 50-150 GF Cast Iron Circulator Pump 3/4 HP 115V

The Grundfos Magna3 50-150 GF is a high-efficiency variable-speed circulator pump designed for commercial hydronic heating, cooling, and hot water recirculation systems. This intelligent pump features advanced ECM motor technology that automatically adjusts speed to match system demand, delivering significant energy savings compared to traditional fixed-speed circulators.

Key Features:

• 3/4 HP ECM motor with integrated variable frequency drive for optimal efficiency
• 115V single-phase power supply for standard electrical systems
• Cast iron (CI) construction provides excellent durability and corrosion resistance
• AUTOADAPT technology automatically optimizes pump performance to system conditions
• Built-in differential pressure control with multiple control modes
• Flanged connections for reliable, leak-free installation
• Low noise operation with maintenance-free design
• Energy-efficient operation meets or exceeds current energy standards

The Magna3 series represents Grundfos' commitment to intelligent pumping solutions, combining superior hydraulic performance with intuitive controls and diagnostic capabilities. Ideal for medium to large commercial buildings, district heating systems, and industrial applications requiring precise flow control and maximum energy efficiency.