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The Onga IMH750K is a premium variable speed multistage centrifugal water pump designed for domestic pressure systems, irrigation, and water transfer applications. Part of the IntelliMaster range, it delivers intelligent pressure control with energy-efficient operation and consistent water supply.
Constructed with a 304 stainless steel wet end, including pump casing, impellers, and hydraulic components, the IMH750K offers excellent corrosion resistance and durability. The closed impeller multistage design ensures efficient pressure generation and smooth water flow for reliable performance.
The pump delivers a maximum head of 58 metres and a maximum flow of approximately 85 L/Min under practical operating conditions. Integrated with a variable frequency drive (VFD), it automatically adjusts motor speed to maintain constant pressure while improving energy efficiency.
Supplied as a complete system, the unit includes an integrated VFD controller, stainless steel five-way tee with non-return valve, pressure transducer, and an 8 litre pressure tank for stable pressure operation. The pump is powered by a TEFC motor with IP55 protection and inbuilt thermal overload, and is suitable for clean water applications with a maximum liquid temperature of 40°C. :contentReference[oaicite:2]{index=2}
FEATURES
- Variable speed multistage centrifugal pump system
- Integrated variable frequency drive (VFD)
- 304 stainless steel wet end construction
- Closed impeller multistage design
- Maximum head: 58 m
- Maximum flow: approx 85 L/Min
- Includes 8 litre pressure tank
- Pressure transducer and stainless steel five-way tee
- Built-in non-return valve
- Large LCD display with adjustable pressure settings
- TEFC motor with IP55 protection
- Inbuilt thermal overload protection
- Suitable for domestic pressure boosting and irrigation
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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