Grundfos MAGNA3 - MAGNA3 50-120 F High-Efficiency ECM Smart Circulator
Grundfos MAGNA3 - MAGNA3 50-120 F High-Efficiency ECM Smart Circulator
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Grundfos MAGNA3 50-120 F High-Efficiency ECM Smart Circulator
Engineered for demanding commercial heating, chilled water cooling, and domestic hot water systems, the Grundfos MAGNA3 50-120 F is an advanced, wet-rotor smart circulator pump designed to maximize energy efficiency and automate system diagnostics. Powered by an intelligent permanent-magnet motor (ECM) and a fully integrated variable frequency drive, this pump self-adjusts its performance curve to meet fluctuating demand, reducing operating costs by up to 75% compared to conventional fixed-speed commercial pumps.
The MAGNA3 50-120 F incorporates Grundfos’s signature AUTOADAPT and FLOWADAPT control modes, ensuring that the pump dynamically optimizes system balancing while preventing over-pumping or excessive pressure across zone valves. Featuring a built-in thermal heat energy meter, wireless multi-pump intelligence for cascading or alternating operation, and seamless compatibility with standard building management networks, it delivers institutional-grade reliability right out of the box.
Key System Performance Baselines:
- Proactive Intelligent Control: Proprietary AUTOADAPT firmware instantly matches the system load profile, reducing commissioning times and eliminating the need for complex external balancing valves.
- Next-Gen ECM Efficiency: High-torque permanent-magnet motor architecture cuts power draw significantly, satisfying strict regional building energy efficiency mandates.
- Integrated Energy Monitoring: Internal thermal power calculations provide immediate tracking of heat energy consumption without requiring secondary inline sensors.
- Flange Configuration: Features an inline 50mm heavy-duty cast iron flanged connection geometry, engineered for standard integration into medium-to-high flow commercial hydronic lines.
⚠️ Application Profile: This MAGNA3 circulator model is highly optimized for primary or secondary commercial heating loops, chilled water circulation networks, geothermal heat pump heat source circuits, and multi-zone hydronic mixing stations.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 99833476 (Quoted Active Configuration) |
| Pump Type | Wet-Rotor Smart Circulator Pump (ECM) |
| Port/Flange Size | 2" Flanged (50 mm / 4-bolt configuration) |
| Maximum Head / Max Pressure | 39 ft of Head / 175 PSI (12 bar) |
| Fluid Temperature Range | 14°F to 230°F (-10°C to 110°C) |
| Electrical Input / Voltage | 1-Phase (230V) 50/60Hz |
| Pump Housing Metallurgy | Cast Iron (EN-GJL-250) |
| Impeller Material | Composite (PES 30% GF) |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
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- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
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