heatpumpdatabaseProduct data sheetheatpumpdatabase.com
Dimplex SIH high temperature
Model code: SIH 40TE
✓ BUS eligibleGround Source (GSHP)ResidentialHeating only
Heating capacity
18.6–36.6 kW
COP
4.4
B0/W35
Max flow temp
70°C
Sound power
65 dB(A)
Refrigerant
R134a
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0017/16
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
No MCS listing recorded.
| General | |
|---|---|
| Heat pump type | Ground Source (GSHP) |
| Application | Residential |
| Refrigerant | R134a |
| Mode | Heating only |
| Heating performance | |
| Heating capacity | 18.6–36.6 kW |
| Max heating output (low temp) | 33.1 kW at B0/W50 |
| COP (heating) | 4.4 at B0/W35 |
| Operating range (air) | -5 to 25 °C |
| Heating flow temperature | up to 70 °C |
| Electrical, acoustic and physical | |
| Electrical supply | 380-415V (Three Phase) |
| Sound power level | 65 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 1890 × 1350 × 775 mm |
| Operational Weight | 502 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.