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Larger homes with extended radiator networks or multiple heating zones place more resistance on the circulating pump than a single small loop, requiring additional head to maintain consistent flow. The Grundfos UPS 25-80 is sized to meet that requirement, with cast iron construction suited to closed-loop heating systems.
The pump delivers 80 L/Min at its highest speed setting against 8 m of maximum head, with power stepping from 114 W to 160 W across its three selectable speeds and current reaching 0.7 A on a 1 x 240 V supply. That head rating gives it enough reserve to overcome the pressure drop across a larger radiator count or a longer branch circuit.
A canned rotor motor removes the mechanical shaft seal, with the rotor and bearings lubricated by the heating water itself. Liquid temperature tolerance extends from -25°C to 110°C, which allows for plant rooms exposed to cold conditions before the heating season begins.
The enclosure steps up to IPX2D for improved contact protection compared with the smaller UPS 25-60 models, and internal thermal protection is built into the motor winding itself. At 180 mm port-to-port with 1 1/2 inch connections, it fits standard domestic heating pipe centres.
FEATURES
- Higher head rating of 8 m provides additional pressure capability for extended radiator networks and multiple heating zones
- Three-speed selector permits field adjustment from 114 W to 160 W
- Canned rotor design removes the mechanical shaft seal as a potential leak path in heating applications
- Internal thermal motor protection safeguards the winding against overload in continuous seasonal operation
- Cast iron housing specified for closed-loop heating applications where potable water approval is not required
- Liquid temperature tolerance from -25°C to 110°C accommodates plant rooms exposed to cold conditions
- IPX2D enclosure rating provides protection against dripping water and contact in service environments
- 180 mm port-to-port body dimension aligns with standard domestic heating 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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