Hitachi Yutaki S (8 kW)
Specifications and technical data
Also known as: RWM-2HFSN3E / RAS-2HVRN2
✓ BUS eligibleAir Source (ASHP)ResidentialR410A8 kW
| Manufacturer | Hitachi |
|---|---|
| Model | Yutaki S |
| Model code | RAS-2HVRN2 |
| Heat pump type | Air Source (ASHP) All Air Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R410A All R410A heat pumps → |
| Mode | Heating & cooling |
| Heating capacity | 8 kW |
| Max heating output (low temp) | 4.7 kW at A-7/W35 |
| COP (heating) | 5.02 at A7/W35 |
| Operating range (air) | -20 to 35 °C |
| Heating flow temperature | up to 60 °C |
| Electrical supply | 220-240V (Single Phase) |
| Cooling capacity | 3.8 kW |
| Max cooling output (high temp) | 3.8 kW at A35/W7 |
| EER (cooling) | 3.05 at A35/W7 |
| Dimensions (H×W×D) | 600 × 792 × 300 mm |
| Operational Weight | 42 kg |
| Data added | 2026-10-20 |
| Data source | Hitachi Yutaki Heat Pumps UK sizing guide / product leaflet (Yutaki-M, Yutaki-S, Yutaki-S80) |
| Verification | Verified by a human |
| Boiler Upgrade Scheme | ✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide |
| PEL certificate no. | MCS HP0032/24 |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | MCS HP0032/24 |
Hitachi Yutaki S RAS-2HVRN2 R410A split air-to-water heat pump outdoor unit (with RWM-2(H)FSN3E indoor unit), heating and cooling, flow up to 60 °C.
Where to buy (UK)
| UK Supplier | The Heat Pump Warehouse |
|---|---|
| UK Supplier | Secon Renewables |
✎ Suggest a correction to this data
Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.
Reviews & further reading
- Manufacturer Yutaki S 2.0 Combi: heating, cooling & DHW — Hitachi
- Manufacturer Yutaki S 2.0: a compact R32 heat pump — Hitachi
- Review Hitachi Yutaki S Combi air source heat pump review — Federation of Master Builders
- Review Hitachi Yutaki Review — Heat Pump Compared
►My experience with a HEAT PUMP after a complete cold seasonYouTube
►HITACHI YUTAKI S80; HP with Smart controlJohnson Controls Hitachi
►HITACHI YUTAKI SCombi - Air/water Heatpump with DHW TankJohnson Controls Hitachi
►HITACHI Yutaki Heat Pump GradientCiarán O'Mahony
►Hitachi Yutaki S CommissioningDaly Renewables
►Hitachi Yutaki S, S Combi, M R32 air to water heat pumpsHemeltron OÜAlternatives to consider
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