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Engineered for low-energy variable circulation, the Grundfos MAGNA1 25-40 operates across heating mixing loops, air conditioning circuits, and ground-source heat pump systems. It features an integrated operating panel and frequency converter that automatically matches pump speed to varying thermal loads.
A cast iron EN-GJL-200 pump housing with a 180 mm port-to-port dimension encloses a composite impeller and maintenance-free canned rotor. The pump body is rated for 10 bar maximum system pressure and accommodates fluid temperatures from -10°C to 110°C, with an overall weight of 4.41 kg.
Driven by a permanent magnet motor with a maximum power input (P1) of 9 W to 56 W, electrical power input (P1) modulates between 9 W and 56 W with a maximum current draw of 0.45 A on a 1 x 230-240 V supply. The hydraulic assembly produces up to 4.24 m³/h \(71 L/Min\) against a maximum head of 2.875 m through 1 1/2 inch threaded connections.
Nine selectable control settings include proportional pressure curves, constant pressure curves, and fixed constant curve speeds. The unit achieves an Energy Efficiency Index (EEI) of 0.20, incorporates Class F insulation with an IPX4D enclosure, and provides a digital start/stop input with fault relay output.
FEATURES
- Permanent magnet motor technology achieves an Energy Efficiency Index (EEI) of 0.20
- Nine control modes include three proportional pressure, three constant pressure, and three fixed speeds
- Power consumption self-modulates from 9 W to 56 W based on system demand
- Cast iron EN-GJL-200 housing rated for 10 bar maximum operational pressure
- Composite impeller provides chemical corrosion resistance in closed hydronic loops
- Digital start/stop input and fault alarm relay output enable building automation integration
- Standard 180 mm port-to-port length with 1 1/2 inch threaded connections
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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