Heat PumpDatabase

CTC EcoPart Pro / Basic 425-435

Specifications and technical data

Ground Source (GSHP)CommercialR407C31.95 kW
ManufacturerCTC
ModelEcoPart Pro / Basic 425-435
Model code587000001
Heat pump typeGround Source (GSHP)
ApplicationCommercial
RefrigerantR407C
ModeHeating only
Heating capacity31.95 kW
COP4.43 at B0/W35
SCOP4.8 at W35
Flow temperatureup to 65 °C
Dimensions (H×W×D)1760 × 596 × 673 mm
Weight328 kg
Sound power level50 dB(A) (Sound power LwA B0/W35, EN12102)
Data added2026-06-10
Data sourcemanufacturer

Notes

Staged commercial ground source heat pump with separate cooling modules; Pro variants include built-in EcoLogic L controls and Basic variants use simpler external/digital control.

CTC EcoPart i425 Pro 3x400V. Heating output/input listed for B0/B5/B10 at W35, EN14511; COP calculated from B0/W35. SCOP average climate W35. Three-stage output via separate cooling modules. Refrigerant charge 4.6 kg (2.7+1.9); cooling modules each contain less than 3 kg. Rated current 22.2 A, recommended fuse 25 A.

Where to buy (UK)

UK SupplierThe Heat Pump Warehouse

○ Awaiting verification

✎ 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.

More from CTC

Other Ground Source (GSHP) heat pumps

Compare with other products

Open the interactive database →