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Developing 5.383 m of head at flow rates nearing 300 L/Min, the Grundfos MAGNA1 50-100 F circulator pump is specified for large commercial HVAC plants, central heating headers, and district cooling loops. It automatically balances pressure across extensive multi-zone building distributions.
The 280 mm port-to-port casing is manufactured from EN-GJL-200 cast iron, housing a composite impeller, stainless rotor can, and air-cooled electronic power module. Rated for 10 bar working pressure, it accommodates fluid temperatures from -10°C to 110°C with a net weight of 17.9 kg.
Operating on a 1-phase 230-240 V 50/60 Hz supply, the ECM motor has a maximum power input (P1) of 21 W to 425 W while electrical input power (P1) draws between 21 W and 425 W at 1.90 A maximum current. Output metrics reach a calculated flow rate of 17.73 m³/h (296 L/Min) with a maximum head of 10 m across DN 50 DIN flanged ports.
Control options encompass three proportional pressure curves, three constant pressure curves, and three constant speed steps. The pump meets an EEI rating of 0.19, provides Class F winding insulation inside an IPX4D housing, and includes digital input and fault relay contacts.
FEATURES
- Generates 10 m maximum head and 296 L/Min flow for central commercial headers
- ECM permanent magnet motor with integrated inverter achieves an EEI rating of 0.19
- Self-regulating power input ranges from 21 W to 425 W depending on valve positions
- Cast iron EN-GJL-200 housing engineered for 10 bar maximum system pressure
- Composite impeller provides longevity in treated water and glycol mixtures
- Digital start/stop terminals and fault relay output facilitate BMS interlocks
- Standard 280 mm port-to-port dimension with DN 50 PN 6/10 flange holes
FAQs
General Product FAQs
1. How do I choose the right pump for my setup?
Selecting the correct pump depends on your required flow (L/min), total head (vertical lift + friction loss), and power source. If you're unsure, contact our team and we’ll size the right system for you.
2. Do you offer support with system design or setup?
Yes — we provide expert advice to help you choose, install, and optimise your pump system. Whether it's a simple setup or a custom solution, we’re here to help.
3. Do you offer complete pump solutions or just products?
We don’t just sell pumps — we provide complete solutions. From accessories and control systems to full packaged setups, we can supply everything required to get your system running efficiently.
Shipping & Availability
1. Do you offer Australia-wide shipping?
Yes — we ship across Australia. Bulk or oversized orders may incur additional freight charges otherwise we offer free shipping over $100*
2. How long does delivery take?
Orders are typically shipped within 1–2 business days, with delivery taking approximately 2–7 days depending on your location.
3. What courier or freight companies do you use?
We work with a range of trusted carriers including Australia Post, StarTrack, TNT, and other national freight providers depending on the size and location of your order. This allows us to ensure fast, reliable delivery across Australia, including regional and remote areas.
Warranty & Support
1. Do your pumps come with a warranty?
Yes — all products are backed by manufacturer warranties. Warranty periods vary depending on the brand and product type.
2. What support do you offer after purchase?
We provide ongoing support including:
- Installation advice
- Troubleshooting
- Spare parts supply
- System upgrades
3. What is the warranty process if something goes wrong?
If you experience an issue, simply contact our team with your order details and a description of the problem. We’ll guide you through troubleshooting and, if required, arrange repair, replacement, or manufacturer assessment in line with warranty terms.
Why choose Foundation Pumps?
1. Why choose Foundation Pumps over other suppliers?
We focus on supplying proven, high-quality pump solutions backed by real industry knowledge. Unlike general resellers, we understand how these systems perform in the field and provide honest, practical advice to ensure you get the right solution the first time.
2. Do you offer expert advice before and after purchase?
Yes — we support you at every stage, from selecting the right pump through to installation and ongoing use. Our team is available to assist with sizing, troubleshooting, and system optimisation whenever you need it.
3. Do you stock trusted brands and quality products?
We carefully select and supply pumps from reputable manufacturers known for reliability and performance. Our range includes both industry-leading brands and high-value alternatives that meet Australian standards and conditions.
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