Neopower Black Diamond NA31-210A
The Neopower Black Diamond NA31-210A is a premium 260L hot water system engineered in Melbourne for superior performance and reliability. It features a highly efficient DC inverter compressor and a tank-wrapped condenser coil to ensure optimal heat transfer and quiet operation. With built-in auto disinfection and advanced design to prevent water contamination, it delivers clean, safe hot water while maintaining energy efficiency.

Detailed Specifications
System Specifications
- Operating Temperature: -7°C to 43°C
- Max Water Temperature: 70°C
- Heating Capacity (Heat Pump): 2900W
- Refrigerant Type: Quantity R290 / 400g
- Max. Current: 8.0nAmps (Electric Element Mode)
- Max. Current: 5.0nAmps (Heatpump Mode)
Tank Features
- Cylinder Type: Corrosion-resistant tank
- Power Input: 0.67 kW
- Product Dimensions: Φ620 mm x 1582 mm
- Weight (Empty): 107kg
- Noise Level (Sound Pressure): 42 dBA
- Air Side Heat Exchanger: Integrated design
- Tank Warranty: 6 years
- Compressor Warranty: 6 years
How The Heat Pump Works
Heat Collection
The unit extracts heat from surrounding air
Compression
Toshiba compressor increases temperature for efficient heating
Heat Transfer
Tank-wrapped coil transfers heat to water efficiently
Sanitization
Auto disinfection prevents bacteria and legionella growth
Save Energy, Save Money
The Neopower Black Diamond NA31-210A uses advanced heat pump technology to extract heat from the air, making it up to 4 times more energy efficient than conventional electric water heaters.
- Up to 75% reduction in hot water energy costs
- Potential savings of $600+ per year
- Eligible for energy efficiency rebates

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