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Closed-loop radiator heating systems do not carry potable water, so cast iron becomes a suitable housing material. The Grundfos UPS 25-60 is built with a cast iron pump body for those systems, positioned for standard domestic heating circuits where the circulating fluid stays within the sealed system.
At its highest speed setting, the pump delivers 31.7 L/Min against a maximum head of 6 m, powered by a 70 W motor drawing 0.3 A on a 1 x 240 V supply. Three selectable speeds step power from 50 W upward, giving installers the flexibility to balance the circuit against the actual radiator count and pipe run without oversizing the pump.
The canned rotor motor construction removes the need for a mechanical shaft seal, with the rotor and bearings lubricated directly by the circulating heating water. Liquid temperature tolerance extends from 2°C to 110°C, covering both standard radiator circuits and higher-temperature boiler setups.
An IP44 enclosure suits undercover fitting in a plant room or airing cupboard, and the compact 130 mm port-to-port body matches tighter pipe centres than the 180 mm variant. Maximum system pressure is rated to 10 bar, consistent with typical domestic heating installations.
FEATURES
- Cast iron pump housing specified for closed-loop heating systems where potable water approval is not required
- Three-speed selector permits field adjustment of pump output from 50 W to 70 W
- Canned rotor design integrates the pump and motor without a mechanical shaft seal
- Ceramic shaft and bearings are lubricated directly by the circulating heating water
- Composite impeller construction delivers consistent hydraulic performance in closed-loop water and glycol mixtures
- Liquid temperature tolerance from 2°C to 110°C covers standard radiator circuits and higher-temperature boiler installations
- Compact 130 mm port-to-port body dimension accommodates tighter pipe centres
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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