Grundfos MAGNA3 High-Efficiency ECM Smart Circulator
Grundfos MAGNA3 High-Efficiency ECM Smart Circulator
National Boiler Supply is a premier, authorized procurement distributor for high-efficiency commercial equipment. Every order ships factory-direct, completely insured, and backed by full manufacturer engineering warranties and technical field support.
| Series Model Classification | MAGNA3 Smart Commercial Circulator |
| Motor Drive Technology | Electronically Commutated Permanent Magnet (ECM) |
| Liquid Temperature Capabilities | 14°F to 230°F (-10°C to 110°C) |
| Maximum Static Operating Pressure | 175 PSI (12 bar) |
| Onboard Communication Protocols | Wireless GENIair, BACnet, Modbus, LonWorks via CIM modules |
| Insulation & Protection Rating | Class F / Enclosure Type 2 (IPX4D) |
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The Grundfos MAGNA3 High-Efficiency ECM Smart Circulator is a high-performance system component engineered to deliver premium fluid distribution efficiency and reliability. Built with a heavy-duty cast iron housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for commercial heating, cooling, domestic hot water recirculation, and geothermal hydronic loops.
By integrating an advanced electronically commutated motor (ECM) with a smart, self-optimizing internal microprocessor, the MAGNA3 continuously analyzes system load variations and automatically calculates the most energy-efficient performance profile. The pioneering AUTOADAPT and FLOWADAPT control modes eliminate the need for complex field throttle-valve tuning, allowing the pump to automatically adjust to the dynamic flow characteristics of your hydronic infrastructure. Outfitted with an intuitive high-resolution color interface and built-in wireless transceiver capabilities, this premium circulator simplifies remote building management integration (BMS) while reducing operational energy consumption by up to 75% compared to standard fixed-speed pumps.
Advanced Engineering Features:
- Intelligent AUTOADAPT Flow Control: Automatically monitors structural system variables and dynamically shifts performance to the optimal proportional pressure curve without manual intervention.
- Integrated Heat Energy Meter: Precision internal sensors monitor fluid temperature and volumetric flow rates to provide direct building thermal energy consumption logging without dedicated external instrumentation.
- Canned-Rotor ECM Architecture: Permanent-magnet motor configuration delivers whisper-quiet hydraulic velocity with an ultra-low starting torque and zero maintenance shaft seals.
