heatpumpdatabaseProduct data sheetheatpumpdatabase.com
Viessmann Vitocal 222-G
Model code: BWT-M 221.B10
✓ BUS eligible✓ MCS listedGround Source (GSHP)ResidentialHeating only
Heating capacity
10.4 kW
COP
4.8
B0/W35
Max flow temp
65°C
Sound power
45 dB(A)
Refrigerant
R410A
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: 011-1W0290
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: 011-1W0290
| General | |
|---|---|
| Heat pump type | Ground Source (GSHP) |
| Application | Residential |
| Refrigerant | R410A |
| Mode | Heating only |
| Heating performance | |
| Heating capacity | 10.4 kW |
| Max heating output (low temp) | 10.4 kW at B0/W35 |
| COP (heating) | 4.8 at B0/W35 |
| Operating range (air) | -10 to 25 °C |
| Heating flow temperature | up to 65 °C |
| Electrical, acoustic and physical | |
| Electrical supply | 220-240V (Single Phase) |
| Sound power level | 45 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 2000 × 600 × 680 mm |
| Operational Weight | 288 kg |
Test conditions: A = outdoor air °C, W = flow water °C (e.g. A7/W35 = 7°C air, 35°C flow). Compare COP and SCOP only at the same conditions.