Astral HX70 Benefits
Fast and practical heating. The HX70 is designed to quickly heat residential pools and spas, making it ideal for homeowners who want reliable on-demand heating without long heating cycles.
Compact design for residential systems. As the smaller model in the HX range, the HX70 is well suited to compact equipment areas and residential pool setups with lower heating requirements.
Efficient copper heat exchanger. The all-copper finned tube heat exchanger is designed to improve efficiency, support strong water flow, and help reduce scale build-up inside the heater.
Easy-to-use electronic controls. The electronic touch controls and LCD display provide clear operating information including temperature settings, ignition status, water pressure, and system diagnostics.
Built for Australian conditions. Designed and manufactured in Australia, the HX70 features a durable marine-grade powder coated cabinet built for long-term outdoor performance.
Reliable low-maintenance operation. The HX design helps minimise maintenance requirements while still providing dependable gas heating performance for everyday residential use.
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 is a great fit if you:
- Want efficient heating for a smaller pool or spa
- Have access to natural gas supply
- Prefer electronic heater controls
- Need a compact gas heating solution
- Want an Australian-made heater
- Prefer fast on-demand heating performance
You may want to consider the HX120 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: Natural gas (NG)
- 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 equipment areas
The HX70 is designed for residential pool systems where compact installation, fast heating, and reliable gas 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 must be installed by a licensed gas fitter and qualified pool technician in accordance with Australian gas and electrical standards. Correct 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 display 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
Reviews
There are no reviews yet.