Description
The Grundfos MAGNA3 32-120GF (SKU 99833304) is a premium, high-efficiency electronically controlled circulator pump engineered for demanding hydronic heating and cooling applications. Built on Grundfos’ industry-leading MAGNA3 platform, this pump delivers intelligent variable-speed performance with a compact, maintenance-free design that reduces energy consumption and operating costs over its service life.
Intelligent Performance & Control
The MAGNA3 32-120GF features Grundfos’ advanced Auto Adapt technology, which continuously monitors system conditions and automatically adjusts pump speed and output to match real-time demand. This eliminates the need for manual commissioning in most applications and ensures the system always operates at peak efficiency. The integrated control interface provides straightforward setup and monitoring directly at the pump head.
Key Features
- Grundfos MAGNA3 series — industry-leading high-efficiency wet-rotor circulator
- Dual-voltage operation: 115–230V, 1-phase power supply for flexible installation
- Variable-speed, electronically commutated (EC) motor for maximum energy savings
- Auto Adapt and proportional pressure control modes for automatic system optimization
- Integrated frequency converter — no external VFD required
- Maintenance-free design with permanent magnet motor and no shaft seal
- GF (Grundfos Flange) connection for easy installation and serviceability
- Built-in alarm and status indicator with fault diagnostics
- Suitable for hydronic heating, chilled water, and HVAC circulation systems
- Compact, lightweight pump head for easy handling and installation
Technical Specifications
- SKU / Part Number: 99833304
- Model: MAGNA3 32-120GF
- Supply Voltage: 115–230V, 1-Phase
- Motor Type: Electronically commutated permanent magnet (EC/PM)
- Connection Type: GF (Grundfos Flange)
- Control Modes: Auto Adapt, Proportional Pressure, Constant Pressure, Constant Curve
- Application: Hydronic heating, chilled water, and HVAC circulation
Why Choose the Grundfos MAGNA3?
The MAGNA3 series is globally recognized as one of the most energy-efficient circulators available, meeting and exceeding ErP 2015 efficiency requirements. Its intelligent controls reduce energy consumption compared to fixed-speed pumps, delivering measurable savings on utility bills. The dual-voltage 115–230V capability simplifies inventory and installation across a wide range of job sites. Backed by Grundfos’ reputation for quality and reliability, the MAGNA3 32-120GF is the professional’s choice for modern hydronic systems.
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