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Vaillant geoTHERM

Specifications and technical data

Ground Source (GSHP)CommercialR407C30.9 kW
ManufacturerVaillant
ModelgeoTHERM
Model codeVWS300/3
Heat pump typeGround Source (GSHP)
ApplicationCommercial
RefrigerantR407C
ModeHeating only
Heating capacity30.9 kW
COP (heating)4.6 at B0/W35
Operating range (air)-10 to 20 °C
Heating flow temperature25–62 °C
Electrical supply400V/3P/50Hz
Dimensions (H×W×D)1200 × 760 × 900 mm
Operational Weight359 kg
Sound power level55 dB(A) (Sound Power LW(A))
Data added2026-07-02
Data sourceManufacturer Data Sheet
MCS certification✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS listingView on MCS ↗

View manufacturer page →

Notes

geoTHERM 30kW

COP B0/W55=3.2, output 28.3kW

Where to buy (UK)

UK SupplierThe Heat Pump Warehouse
UK SupplierSecon Renewables
UK SupplierCity Plumbing

✓ 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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