Stiebel Eltron WPE-I HW GB Premium Pack (1–4.2 kW)
Specifications and technical data
✓ BUS eligibleGround Source (GSHP)ResidentialR454C1–4.2 kW
| Manufacturer | Stiebel Eltron |
|---|---|
| Model | WPE-I HW GB Premium Pack |
| Model code | WPE-I 04 HW 230 GB Premium |
| Heat pump type | Ground Source (GSHP) All Ground Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R454C All R454C heat pumps → |
| Mode | Heating only |
| Heating capacity | 1–4.2 kW |
| Max heating output (low temp) | 1.96 kW at B0/W35 |
| COP (heating) | 4.6 at B0/W35 |
| SCOP (heating) | 5.07 at W35 |
| Heating flow temperature | up to 75 °C |
| Electrical supply | 220-240V (Single Phase) |
| Dimensions (H×W×D) | 1937 × 600 × 703 mm |
| Operational Weight | 265 kg |
| Sound power level | 46 dB(A) (Sound Power LW(A)) |
| Data added | 2026-10-21 |
| Data source | Stiebel Eltron WPE-I HW 230 GB Premium Pack technical datasheet |
| 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. | 011-1W0394_02 |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | 011-1W0394_02 |
Stiebel Eltron WPE-I 04 HW 230 GB Premium inverter ground source heat pump pack with integrated 175 L DHW cylinder, 1.0-4.2 kW at B0/W35, R454C, single-phase.
Where to buy (UK)
| UK Supplier | Midsummer Wholesale |
|---|---|
| UK Supplier | Heat Pump Central |
✎ 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.
F1253
Nibe · NIBE F1253-4 R 1x230 UK
- Capacity
- 1.5–4.3 kW
- SCOP
- 5.2 (W35)
- Sound power
- 42 dB(A)
- Refrigerant
- R407C
Legend
Thermia · Legend 4
- Capacity
- 4.71 kW
- SCOP
- 5.1 (W35)
- Sound power
- 40 dB(A)
- Refrigerant
- R452B
WZS
Alpha Innotec · WZS 42(H)(K)3M
- Capacity
- 4.7 kW
- COP
- 4.7 (B0/W35)
- Sound power
- 43 dB(A)
- Refrigerant
- R410A
More from Stiebel Eltron
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HPA-O 10.2 Trend HC 230V
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HPA-O 13.2 Trend HC 230V
ASHP · 12.47 kW · SCOP 4.65 · BUS eligible
HPA-O 13.2 Trend HC 400V
ASHP · 12.47 kW · SCOP 4.65 · BUS eligible
HPA-O 17.2 Trend HC 400V
ASHP · 17.36 kW · SCOP 4.55 · BUS eligible
HPA-O 07.2 Plus HC 230V
ASHP · 7.09 kW · SCOP 5.09 · BUS eligible
HPA-O 10.2 Plus HC 230V
ASHP · 10.07 kW · SCOP 4.96 · BUS eligible
Other Ground Source (GSHP) heat pumps
WZSV
GSHP · 0.77–6 kW
WZSV
GSHP · 3.32 kW · BUS eligible
WZSV
GSHP · 4 kW · BUS eligible
WZSV
GSHP · 5.06 kW · BUS eligible
WZS
GSHP · 4.7 kW · BUS eligible
WZS
GSHP · 7.7 kW
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The Stiebel Eltron name and logo are trademarks of their respective owner and are used here for identification purposes only.