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The Lowara TLCN 20-4 is engineered for residential secondary sanitary hot water circulation, delivering immediate hot water at the tap. This wet rotor circulator pump is certified for potable water systems and designed specifically for domestic hot water recirculation in residential buildings.
Three speed manual selection enables performance adjustment across varying system demands. On 240 V single-phase supply at Speed 2, the pump consumes 39 W drawing 0.17 A. Maximum head is approximately 3.9 m with flow reaching 50 L/Min at the rated operating point.
Corrosion resistance is provided by the stainless steel pump body, while the composite material impeller ensures hydraulic efficiency. Ceramic axial and radial bearings are lubricated by the pumped liquid, and a ceramic wear ring offers additional wear resistance. The wet rotor design ensures quiet, vibration-free operation suitable for residential environments.
Threaded connections are available in 1", 1"1/4, and 1"1/2 sizes for flexible installation. The pump is suitable for horizontal or vertical piping with motor axis horizontal. Liquid temperature range spans +2°C to +110°C with recommended maximum of 65°C. Maximum operating pressure is 10 bar PN10 with IP44 protection class.
FEATURES
- Stainless steel pump body for potable water compatibility
- Three speed manual selector for adaptable operation
- Ceramic axial and radial bearings lubricated by pumped liquid
- Composite material impeller for hydraulic efficiency
- Ceramic wear ring providing extended service life
- Wet rotor design for quiet, vibration-free operation
- Single-phase 230 V 50 Hz power supply with integrated terminal box
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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