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High-capacity fluid extraction from confined drainage pits and restricted installation spaces requires a pumping solution that combines strong hydraulic performance with dependable automatic operation. Designed specifically for applications where conventional float switches may have limited movement, the Unilift KP.350.AV.1 operates as a submersible drainage pump for clean water drainage, storm water handling and grey water applications. Its compact vertical float arrangement makes it particularly suitable for narrow pits and drainage chambers.
The heavy-duty drive system utilizes a 0.35 kW (P2) motor operating from a standard 240V single-phase power supply while drawing a rated current of 3.2 Amps. Designed for high-capacity drainage duties, the hydraulic system delivers a maximum flow rate of 233 L/Min through its 1¼ inch discharge connection. The hydraulic design also develops a maximum head of 9 metres, providing reliable vertical lift performance across a broad range of drainage applications.
Water transfer is managed by a semi-open impeller specifically developed for drainage duties. The hydraulic passage permits the movement of particles up to 10 mm in size, making the pump suitable for handling water containing small suspended solids commonly encountered in storm water and grey water applications. Working together with the stainless steel strainer, the pump can reduce water levels down to approximately 100 mm, helping maximise water removal from pits, tanks and drainage chambers.
Constructed with stainless steel components in contact with the pumped liquid, the unit provides excellent corrosion resistance and long service life. Rated to IP68 standards, the pump supports liquid temperatures up to 40°C and installation depths of up to 2 metres. A vertical float switch provides automatic operation in restricted spaces, while the integrated non-return valve helps reduce backflow within the discharge system.
FEATURES
- Vertical float switch designed for confined pit and narrow chamber installations.
- Integrated non-return valve helps reduce discharge backflow.
- Motor cooling jacket supports operation during periods of partial submersion.
- 304 stainless steel wetted components provide corrosion resistance and durability.
- Semi-open impeller permits the passage of particles up to 10 mm in size.
- Lightweight 7.5 kg construction assists handling and installation.
- Internal thermal protection helps protect the motor during operation.
- Supplied with a 5-metre power cable.
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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