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The Grundfos CMBE TWIN 3-62 is a variable speed pressure boosting pump system designed for domestic and light commercial applications including pressure boosting, irrigation, and system pressurisation. The twin configuration consists of two pumps operating in parallel, ensuring higher flow capacity and continuous pressure stability under varying demand conditions.
Constructed with stainless steel pump housing and stainless steel impellers (AISI 304), the system offers excellent corrosion resistance and durability. The complete booster system includes dual pumps, expansion tanks, pressure sensors, pressure gauges, and a base frame, enabling reliable and efficient multi-pump operation with automatic load balancing.
The system operates at a rated flow of 4.2 m³/h with a corresponding head of 45.2 metres. Based on the performance curve, it achieves a maximum head of approximately 65 metres at low flow conditions. The twin pump arrangement enables cascade operation, automatically switching pumps on or off and adjusting speed to match system demand.
The unit is powered by two electric motors rated at 1.1 kW (P2) each, operating on a 1 x 200–240 V, 50 Hz supply. Integrated speed control ensures efficient operation and consistent pressure delivery across the system.
FEATURES- Motor: 2 x 1.1 kW Electric Motors, 1 x 200–240 V, 50 Hz
- Maximum Head: approx. 65 m
- Rated Flow: 4.2 m³/h
- Rated Head: 45.2 m
- Pump Type: Variable speed pressure boosting pump (twin system)
- Configuration: Dual pump parallel booster system
- Construction: Stainless steel pump housing and impellers (AISI 304)
- Impellers: 4-stage stainless steel design
- Mechanical Seal: AVBE shaft seal
- Integrated System: Dual pumps, expansion tanks (4 L total), pressure sensors, gauges, base frame
- Maximum Operating Pressure: 10 bar
- Maximum Ambient Temperature: Maximum 55°C
- Pump Liquid Temperature: Maximum 60°C
- Inlet Size: 25 mm
- Outlet Size: 25 mm
- Enclosure Class: IP55 with built-in 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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