Astral HX70 Benefits
Fast heating for smaller residential pools and spas. The HX70 LPG is designed to quickly warm pool and spa water, making it ideal for homeowners who want practical and efficient on-demand heating.
Perfect for LPG-powered properties. This LPG version is designed for homes without natural gas access while still delivering dependable heating performance for residential pool systems.
Efficient copper heat exchanger design. The copper finned tube heat exchanger supports high water flow rates, improves heating efficiency, and helps reduce scale formation inside the heater.
Simple electronic controls and diagnostics. The electronic touch controls and LCD display make operation straightforward while also providing temperature, ignition, pressure, and diagnostic information.
Built for harsh Australian conditions. Designed and manufactured in Australia, the HX70 LPG features a durable marine-grade powder coated cabinet for long-term outdoor reliability.
Low-maintenance operation. The efficient internal heater design helps reduce maintenance requirements while providing dependable residential pool and spa heating.
Astral HX70 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 HX70 LPG is a great fit if you:
- Want efficient heating for a smaller pool or spa
- Use LPG instead of natural gas
- Prefer electronic heater controls
- Need a compact heating solution
- Want an Australian-made gas heater
- Prefer fast on-demand heating performance
You may want to consider the HX120 LPG if:
- You have a larger residential pool or spa
- Your heating demand is higher
- Your installer recommends greater heating capacity
Astral HX70 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 HX70 LPG is designed for residential pool systems where compact installation, fast heating, and efficient LPG operation 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 HX70 LPG must be installed by a licensed gas fitter and qualified pool technician in accordance with Australian gas and electrical standards. Proper gas supply sizing, water flow, and ventilation are essential for safe and efficient operation.
Routine maintenance includes checking burners and ignition components, monitoring pool water chemistry, inspecting gas connections, and ensuring proper water circulation through the heat exchanger.
The LCD interface also provides diagnostic information that can assist with troubleshooting and servicing when required.
Astral HX70 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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