CTC EcoPart Pro / Basic 425-435

Specifications and technical data

Ground Source (GSHP)CommercialR407C42.6 kW

Manufacturer	CTC
Model	EcoPart Pro / Basic 425-435
Model code	587000003
Heat pump type	Ground Source (GSHP)
Application	Commercial
Refrigerant	R407C
Mode	Heating only
Heating capacity	42.6 kW
COP	4.37 at B0/W35
SCOP	4.7 at W35
Flow temperature	up to 65 °C
Dimensions (H×W×D)	1760 × 596 × 673 mm
Weight	352 kg
Sound power level	56 dB(A) (Sound power LwA B0/W35, EN12102)
Data added	2026-06-10
Data source	manufacturer

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 i435 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 5.4 kg (2.7+2.7); cooling modules each contain less than 3 kg. Rated current 28.9 A, recommended fuse 32 A.

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse

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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.