
The Hydrotherm Fusion X8 is a premium 320L heat pump hot water system designed for large Australian households. With AC to DC inverter technology, WiFi smart control, solar-compatible timers and R290 natural refrigerant, it delivers powerful performance with excellent energy efficiency.
Designed for strong energy efficiency and lower running costs.
Control and monitor your system using the Tuya smart-home app.
Built-in timers help maximise solar PV and off-peak heating cycles.
Uses R290 natural refrigerant with ultra-low global warming potential.
The Fusion X8 is built for homes with higher hot water demand. Its 320L tank volume and high heating capacity make it suitable for large residential use, while smart controls allow you to customise heating output based on household usage.
With inverter technology, solar compatibility, WiFi control and durable construction, the Fusion X8 is ideal for families wanting reliable hot water with improved energy efficiency.

| Specification | Details |
|---|---|
| Product | Hydrotherm Fusion X8 Heat Pump Hot Water System |
| Tank Storage Capacity | 320L |
| Maximum Capacity | Up to 8 people |
| Annual COP | 5.00 |
| STC Rating | 28–36 |
| Maximum Temperature | 70°C |
| Electricity Supply | 220–240V / 50–60Hz |
| Circuit | 15 AMP Single Phase |
| Power Connection | Hardwire to Isolator |
| Tariff Connection | Continuous / Off-Peak / Shoulder |
| Compressor Rating | 577W |
| Element Rating | 1600W |
| Refrigerant | R290 × 410g |
| Sound Rating | 48dB(A) Sound Pressure |
| Tank Material | Carbon Steel |
| Water Connections | 3/4”G |
| PTR Rating | 850kPa / 1/2”G |
| System Weight | 146kg |
| System Dimensions | 650mm × 2150mm |
| Minimum Base Size | 700mm × 700mm |
| Warranty | 6-Year Replacement Warranty |
The Hydrotherm Fusion X8 includes a WiFi-enabled intelligent controller with multiple heating modes and energy monitoring. Built-in timers help you run the system during solar PV generation or off-peak tariff periods.
Constructed from 2.5mm sheeting with X-class enamel coatings.
Corrosion-resistant zinc sheet casing for long-term durability.
High-performance compressor, micro-channel heat exchanger and electronic controls.
Supported by a six-year replacement warranty covering major components.
Tell us your household hot water needs.
We confirm space, base size and installation suitability.
Licensed installers complete the heat pump installation.
Get guidance for available federal and state rebates.
Start using reliable, energy-efficient hot water.
Yes. The Fusion X8 has a 320L tank volume and is designed to support high residential hot water demand.
The Fusion X8 is rated for up to 8 people depending on household usage, climate and tariff setup.
Yes. It includes built-in timers that can help maximise home solar PV usage and reduce running costs.
Yes. The system can be controlled and monitored from phones or tablets via the Tuya smart-home app.
The Fusion X8 uses R290 natural refrigerant with ultra-low global warming potential.
The maximum temperature is 70°C.
Yes. The product may be eligible for federal and state rebates, depending on your location and installation requirements.
The Fusion X8 is supported by a 6-year replacement warranty.
Get high-capacity, solar-compatible and smart-controlled hot water for your home.