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Residential entertaining pools and larger backyard spa environments often require dependable heating systems capable of maintaining comfortable swimming temperatures during extended daily use and changing weather conditions. The Onga UltraTemp HXi 20kW horizontal inverter pool heat pump is engineered to provide energy-efficient residential pool heating performance together with stable inverter-controlled operation.
Incorporating Mitsubishi inverter compressor technology, the UltraTemp HXi 20kW continuously adjusts operating performance according to heating demand and surrounding environmental conditions to support efficient long-term pool temperature management. Under Ambient 27°C / Water 26°C operating conditions, the system delivers heating capacity performance up to 20.0kW together with COP performance ranging from 13.8 to 6.2 depending on climate conditions and operational load requirements. Recommended circulation performance is rated at 100 L/Min.
Operating sound pressure levels ranging from 43–54 dBa assist with maintaining quieter outdoor equipment operation across residential pool environments, while inverter-driven heating control helps reduce unnecessary power consumption during ongoing heating cycles. The horizontal airflow arrangement additionally supports practical equipment positioning across backyard pool installations.
Designed for long-term residential operation, the UltraTemp HXi 20kW incorporates titanium heat exchanger construction together with barrel union plumbing connections to support corrosion resistance and simplified installation servicing. The heat pump operates on 240v single phase power with maximum current draw of 17.5 Amps.
FEATURES- Variable-speed heating control for changing pool temperature demands
- Quiet operating performance suited to outdoor residential installations
- Stable heating output for larger backyard pool environments
- Horizontal airflow configuration for practical equipment positioning
- Corrosion-resistant titanium heat exchanger construction
- Energy-conscious inverter operation for continuous heating cycles
- Barrel union plumbing connections for easier installation access
- Suitable for residential pools and attached spa systems
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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