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Hitachi airH2O 400 16kW (400V)

Specifications and technical data

Air Source (ASHP)ResidentialR324.86–16 kW
ManufacturerHitachi
ModelairH2O 400 16kW (400V)
Model codeHZKF16KSO-Q
Heat pump typeAir Source (ASHP)
ApplicationResidential
RefrigerantR32
ModeHeating & cooling
Heating capacity4.86–16 kW
COP (heating)4.6 at A7/W35
Operating range (air)-25 to 35 °C
Heating flow temperature20–65 °C
Electrical supply400V/3P/50Hz
Cooling capacity15.5 kW
EER (cooling)3.9 at A35/W7
Operational Weight90.5 kg
Sound power level67 dB(A) (Sound Power LW(A))
Data added2026-06-27
Data sourceManufacturer Data Sheet

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Notes

airH2O 400 air-to-water heat pump using R32 refrigerant for heating, cooling and domestic hot water applications.

Flow 20-65°C, ambient -25 to 35°C heating; weight/refrigerant details partly corrupted in OCR. Cooling EER at A35/W7. Sound power shown as normal mode heating/cooling paired values in source; heating value used.

Where to buy (UK)

UK SupplierThe Heat Pump Warehouse
UK SupplierSecon Renewables

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.

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