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The Grundfos MAGNA variable-speed wet rotor circulator pump is powerful, reliable, intelligent, and energy efficient. MAGNA delivers plenty of edge by utilizing a permanent-magnet rotor - a revolutionary design pioneered by Grundfos. It's easy to install, simple to operate, and an excellent choice for replacement applications. With these features and more, MAGNA is the smart choice for optimized pump efficiency. Features  Wet-rotor technology is quieter and maintenance-free Simple interface control makes operation easy Delivers performance with up to 80% less energy than standard circulators GRUNDFOS MAGNA SERIES CIRCULATOR PUMPS Model Comparison Chart Model Pipe Connection HP Voltage Max Operating Pressure GPM Max. Head Magna3 32-100 GF (Variable-Speed) 1-1/4" 1/6 230 203 PSI 53 32.8' PERFORMANCE CURVES DIMENSIONS SPECIFICATIONS EXPLODED VIEW MATERIALS OF CONSTRUCTION SUBMITTAL Grundfos Magna Series Circulator Pump Submittal BROCHURE Grundfos Magna Series Circulator Pump Brochure INSTRUCTIONS Grundfos Magna Series Circulator Pump Instructions Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.