Kensa Shoebox NX 3kW
Specifications and technical data
Ground Source (GSHP)ResidentialR134a2.85 kW
| Manufacturer | Kensa |
|---|---|
| Model | Shoebox NX 3kW |
| Model code | S3NX-P0K |
| Heat pump type | Ground Source (GSHP) |
| Application | Residential |
| Refrigerant | R134a |
| Mode | Heating only |
| Heating capacity | 2.85 kW |
| COP (heating) | 4.4 at B0/W35 |
| SCOP (heating) | 4.53 at W55 |
| Operating range (air) | -5 to 15 °C |
| Heating flow temperature | up to 65 °C |
| Power input | 0.65 kW |
| Electrical supply | 230V/1P/50Hz |
| Dimensions (H×W×D) | 627 × 554 × 570 mm |
| Operational Weight | 86 kg |
| Sound power level | 40.5 dB(A) (Sound Power LW(A)) |
| Data added | 2026-06-27 |
| Data source | Kensa technical information sheet |
| MCS certification | ✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required) |
| MCS certificate no. | BBA 0055/46 |
| MCS listing | View on MCS ↗ |
Notes
Compact ground source heat pump for individual dwellings or shared ground array/networked heat pump applications.
Shoebox NX 3. Performance at B0/W35 to BS EN14511: rated output 2.85 kW, power consumption 0.65 kW, COP 4.4. B0/W55: power consumption 0.92 kW, COP 2.81. SCOP 35/55°C 4.53/3.47. Refrigerant charge 0.725 kg. Primary brine based on 0°C in/-4°C out; max inlet 15°C and min outlet -5°C. Max rated current 5.13 A; starting current 23.4 A. No built-in backup immersion heater.
Where to buy (UK)
| Availability | Direct sales from manufacturer: Kensa |
|---|
✓ Manually verified by Heat Pump Database
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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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