heatpumpdatabaseProduct data sheetheatpumpdatabase.com
Alpha Innotec PWZSV
Model code: PWZSV 92H3S
✓ BUS eligibleGround Source (GSHP)ResidentialHeating only
Heating capacity
1.77–10.6 kW
COP
4.86
B0/W35
Max flow temp
65°C
Sound power
54 dB(A)
Refrigerant
R407C
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: 041-K001-26 d
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
No MCS listing recorded.
| General | |
|---|---|
| Heat pump type | Ground Source (GSHP) |
| Application | Residential |
| Refrigerant | R407C |
| Mode | Heating only |
| Heating performance | |
| Heating capacity | 1.77–10.6 kW |
| Max heating output (low temp) | 8.65 kW at B0/W35 |
| COP (heating) | 4.86 at B0/W35 |
| Operating range (air) | -5 to 30 °C |
| Heating flow temperature | 20–65 °C |
| Electrical, acoustic and physical | |
| Electrical supply | 380-415V (Three Phase) |
| Sound power level | 54 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 1920 × 600 × 650 mm |
| Operational Weight | 209 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.