Alpha Innotec PWZSV (PWZSV 122H3S)
Specifications and technical data
✓ BUS eligibleGround Source (GSHP)ResidentialR407C2.48–15.82 kW
| Manufacturer | Alpha Innotec |
|---|---|
| Model | PWZSV |
| Model code | PWZSV 122H3S |
| Heat pump type | Ground Source (GSHP) All Ground Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R407C All R407C heat pumps → |
| Mode | Heating only |
| Heating capacity | 2.48–15.82 kW |
| Max heating output (low temp) | 13.56 kW at B0/W35 |
| COP (heating) | 4.87 at B0/W35 |
| Operating range (air) | -5 to 30 °C |
| Heating flow temperature | 20–65 °C |
| Electrical supply | 380-415V (Three Phase) |
| Dimensions (H×W×D) | 1920 × 600 × 650 mm |
| Operational Weight | 228 kg |
| Sound power level | 53 dB(A) (Sound Power LW(A)) |
| Data added | 2026-09-21 |
| Data source | Manufacturer documentation (Alpha Innotec) |
| 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-K001-13 d |
Alpha Innotec PWZSV brine-to-water heat pump with integrated domestic hot water cylinder, modulating scroll compressor, R407C. Rated 5.06 kW at B0/W35 with a COP of 4.87 to EN 14511, modulating between 2.48 and 13.56 kW at that point. Heating flow up to 65 °C, brine circuit from -5 to 30 °C. Supply 3~N/PE/400 V/50 Hz.
✎ Suggest a correction to this data
Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.
Alternatives to consider
Three Ground Source (GSHP) heat pumps from other manufacturers closest in capacity to this one.
Vitocal 300-G BWC
Viessmann · Vitocal 300-G BWC 301.C16
- Capacity
- 3.8–15.9 kW
- SCOP
- 5.64 (W55)
- Sound power
- 44 dB(A)
- Refrigerant
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Calibra E
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- Capacity
- 4–16 kW
- SCOP
- 5.96 (W35)
- Sound power
- 36 dB(A)
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EcoHeat 400 412 (400V)
CTC · 586610004
- Capacity
- 15.45 kW
- SCOP
- 4.1 (W35)
- Sound power
- 50 dB(A)
- Refrigerant
- R407C
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