heatpumpdatabaseProduct data sheetheatpumpdatabase.com
Peak V-Therm
Model code: D-Maxi
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating only
Heating capacity
4.56–20.55 kW
Max flow temp
58°C
Refrigerant
R32
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0253/07
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: MCS HP0253/07
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R32 |
| Mode | Heating only |
| Heating performance | |
| Heating capacity | 4.56–20.55 kW |
| Max heating output (low temp) | 18.86 kW at A7/W55 |
| Heating flow temperature | up to 58 °C |
| Electrical, acoustic and physical | |
| Electrical supply | 220-240V (Single Phase) |
| Dimensions (H×W×D) | 1389 × 1094 × 437 mm |
| Operational Weight | 132 kg |