Astral HX120 Benefits
Fast heating when needed. The HX120 LPG is designed to quickly heat residential pools and spas, making it ideal for homeowners who want convenient on-demand heating without running a system continuously.
Designed for LPG-powered homes. This LPG version is ideal for properties without natural gas access while still delivering strong heating performance for residential pool systems.
Efficient copper heat exchanger design. The copper finned tube heat exchanger is engineered to support high water flow rates, improve heating efficiency, and help reduce scale formation inside the heater.
Simple electronic controls. The electronic touch control system and large LCD display provide easy operation while also displaying heater status, water pressure, temperature settings, and diagnostic information.
Built for Australian conditions. Designed and manufactured in Australia, the HX120 LPG features a marine-grade powder coated cabinet built for harsh outdoor environments and long-term residential use.
Reliable low-maintenance operation. The efficient internal design helps reduce maintenance requirements while supporting dependable day-to-day heating performance.
Astral HX120 Specifications
| Product | HX70 | HX120 |
| Height | 720mm | 820mm |
| Width | 320mm | 390mm |
| Volume | 0.074m | 0.162m |
| Weight | 21.0kg | 25.0kg |
| Gas Connection | 15 | 20 |
Who It’s For
The HX120 LPG is a great fit if you:
- Want fast pool or spa heating performance
- Use LPG instead of natural gas
- Prefer electronic heater controls
- Want a reliable Australian-made heater
- Need efficient residential pool heating
- Want practical on-demand heating operation
You may want to consider an alternative heating solution if:
- LPG supply is limited or unavailable
- Long-term low-speed heating efficiency is the main priority
- Your installer recommends a heat pump for your climate and usage patterns
Astral HX120 Compatibility & Requirements
- Pool type: Residential in-ground pools and spas
- Suitable applications: Pool and spa heating
- Fuel type: LPG (Liquefied Petroleum Gas)
- Compatible pumps: Single speed and variable speed pool pumps
- Compatible pump ranges: AstralPool E-Series, CTX, Viron, and Viron XT pump ranges
- Compatible plumbing: Standard residential pool plumbing systems
- Compatible installations: Outdoor residential pool equipment areas
The HX120 LPG is designed for residential pool systems where fast heating, simple operation, and efficient LPG heating are priorities. Correct heater sizing and gas supply requirements should always be confirmed by a qualified pool technician or licensed gas fitter.
Installation & Maintenance
The Astral HX120 LPG must be installed by a licensed gas fitter and qualified pool technician in accordance with Australian gas and electrical standards. Correct gas supply sizing, ventilation, and water flow are important for safe and efficient operation.
Routine maintenance includes inspecting burners and ignition components, monitoring water chemistry, checking gas connections, and ensuring proper water circulation through the heat exchanger.
The large LCD interface also provides diagnostic information to help simplify servicing and troubleshooting if required.
Astral HX120 Warranty
Earlier purchases:
- 5 years limited warranty
- Cabinet, refractory insulation, and combustion chamber: 5 years pro rata
- Heat exchanger, burner, inlet and outlet water headers: 2 years
- Components: 12 months
Purchases since 1 Oct 2020:
- 2 years
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