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Warmflow ZENO A-Series R32
Model code: AS03-R32
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating only
Heating capacity
7–20 kW
COP
4.67
A7/W35
Max flow temp
65°C
Sound power
55 dB(A)
Refrigerant
R32
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: BSI KM 612798/8
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: BSI KM 612798/8
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R32 |
| Mode | Heating only |
| Heating performance | |
| Heating capacity | 7–20 kW |
| COP (heating) | 4.67 at A7/W35 |
| Operating range (air) | -25 to 52 °C |
| Heating flow temperature | 20–65 °C |
| Electrical, acoustic and physical | |
| Electrical supply | 220-240V (Single Phase) |
| Sound power level | 55 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 1315 × 997 × 437 mm |
| Operational Weight | 140 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.