Alpha Innotec LW A Series (LW 251A)
Specifications and technical data
✓ BUS eligibleAir Source (ASHP)CommercialR407C27.3 kW
| Manufacturer | Alpha Innotec |
|---|---|
| Model | LW A Series |
| Model code | LW 251A |
| Heat pump type | Air Source (ASHP) All Air Source heat pumps → |
| Application | Commercial All Commercial heat pumps → |
| Refrigerant | R407C All R407C heat pumps → |
| Mode | Heating only |
| Heating capacity | 27.3 kW |
| Max heating output (low temp) | 19.4 kW at A-7/W35 |
| COP (heating) | 3.9 at A7/W35 |
| Operating range (air) | -20 to 35 °C |
| Heating flow temperature | 20–50 °C |
| Electrical supply | 380-415V (Three Phase) |
| Dimensions (H×W×D) | 1917 × 1779 × 1258 mm |
| Operational Weight | 540 kg |
| Sound power level | 65 dB(A) (Sound Power LW(A)) |
| Data added | 2026-06-23 |
| Data source | Manufacturer Data Sheet |
| 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. | 041-K001-40 a |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | 041-K001-40 |
| MCS listing | View on MCS ↗ |
Check noise at a neighbour’s window (MCS 020 a) →
Alpha Innotec LW A Series is a 27.3 kW air source heat pump, using R407C refrigerant (model LW 251A).
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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.
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- Sound power
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- Sound power
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