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Agricultural irrigation and high-volume water transfer require pumps that deliver substantial flow from moderate depths. The Lowara 4ZN616/3-3 submersible pump features a 6-inch AISI 316 stainless steel wet end with a 4-inch motor connection, providing corrosion resistance for demanding borehole applications. Its microcast stainless steel construction ensures durability for continuous operation.
Why does the material matter? AISI 316 stainless steel resists corrosion from aggressive groundwater, extending the pump's service life. The stainless steel radial flow impeller with removable wear ring handles suspended sand up to 100 grams per cubic metre, while the integrated suction strainer protects internal components. The replaceable coupling simplifies maintenance without pump removal.
Driven by a 2.2 kW three-phase motor at 415V, the pump draws 5.6 Amps and delivers 367 L/Min maximum flow. Shut-off head reaches 36.6 metres, with the 65 mm discharge port connecting to standard pipework. Performance complies with EN ISO 9906 Grade 3B tolerances.
Class F insulation with IP68 rating supports immersion up to 300 metres. The Duplex stainless steel shaft, AISI 316L tie rods, and NEMA-compatible coupling ensure long-term reliability. The unit meets ErP ecodesign requirements for energy efficiency.
4Z = 6" wet end with 4" Lowara motor
FEATURES- Delivery port incorporates integrated safety hook attachment points
- Drive shaft utilizes Duplex stainless steel UNS S 31803 composition
- External tie rods are constructed from AISI 316L stainless steel
- Supplied with a replaceable coupling component for standard maintenance
- Intake strainer is fabricated from AISI 316L stainless steel
- Lower motor support matches standard NEMA mounting dimensions
- Maximum immersion depth of 300 metres with C4S motor
* Motor and pump supplied separately - requires assembly
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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