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The Grundfos SQ 1-35 N is a high-efficiency 3" multi-stage submersible bore pump designed for domestic water supply, tank filling, irrigation and environmental applications.
Featuring floating composite impellers with tungsten carbide/ceramic bearings, the SQ series delivers reliable performance and long service life. The permanent magnet motor ensures high efficiency across a wide load range while providing built-in protection against dry running, overload, over/undervoltage, upthrust and overheating.
With soft-start capability and integrated non-return valve, the SQ 1-35 N offers smooth operation and reduced mechanical stress during start-up.
Designed for installation in boreholes as small as 76 mm, this compact stainless steel pump is ideal for residential and light agricultural applications requiring dependable groundwater supply.
FEATURES
- 3" multi-stage submersible bore pump
- Rated head: 34 m
- Maximum head: 46 m
- Rated flow: 1 m³/h (16.7 L/Min)
- Permanent magnet motor
- Built-in soft start
- Dry-run protection
- Overload and voltage protection
- Upthrust protection
- Built-in non-return valve
- Stainless steel construction (AISI 316)
- Minimum bore diameter: 76 mm
- IP68 motor protection
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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