Dimplex SI (49.7 kW)
Specifications and technical data
Ground Source (GSHP)CommercialR410A49.7 kW
| Manufacturer | Dimplex |
|---|---|
| Model | SI |
| Model code | SI 50TU |
| Heat pump type | Ground Source (GSHP) All Ground Source heat pumps → |
| Application | Commercial All Commercial heat pumps → |
| Refrigerant | R410A All R410A heat pumps → |
| Mode | Heating only |
| Heating capacity | 49.7 kW |
| Max heating output (low temp) | 39.6 kW at B-5/W45 |
| COP (heating) | 4.9 at B0/W35 |
| Operating range (air) | -5 to 25 °C |
| Heating flow temperature | 20–61 °C |
| Power input | 18.4 kW |
| Electrical supply | 380-415V (Three Phase) |
| Dimensions (H×W×D) | 1660 × 1000 × 750 mm |
| Operational Weight | 465 kg |
| Sound power level | 61 dB(A) (Sound Power LW(A)) |
| Data added | 2026-07-05 |
| Data source | Manufacturer Data Sheet |
| Verification | Verified by a human |
Dimplex SI is a 49.7 kW ground source heat pump, using R410A refrigerant.
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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.
Reviews & further reading
- Manufacturer Ground Source Heat Pumps — DimplexCovers the wider Dimplex range
Alternatives to consider
Three Ground Source (GSHP) heat pumps from other manufacturers closest in capacity to this one.
F1345
Nibe · F1345-40
- Capacity
- 50.8 kW
- SCOP
- 4.8 (W55)
- Sound power
- 47 dB(A)
- Refrigerant
- R407C
AquaMaster Inverter AQ90IP
MasterTherm · 1AQ90I-1
- Capacity
- 10–48 kW
- SCOP
- 4.9 (W35)
- Sound power
- 60 dB(A)
- Refrigerant
- R410A
- Price
- ~£24,996
Mega
Thermia · Mega M
- Capacity
- 11–44 kW
- SCOP
- 5.86 (W35)
- Sound power
- 56 dB(A)
- Refrigerant
- R410A
More from Dimplex
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A-Class
ASHP · 12 kW · BUS eligible
System M
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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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