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Viessmann Vitocal 300-G Pro BW (121 kW)
Viessmann Vitocal 300-G Pro BW (121 kW) photo 1Viessmann Vitocal 300-G Pro BW (121 kW) photo 2
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Viessmann Vitocal 300-G Pro BW (121 kW)

Specifications and technical data

Ground Source (GSHP)CommercialR410A121 kW
ManufacturerViessmann
ModelVitocal 300-G Pro BW
Model codeVitocal 300-G Pro BW 301.B120
Heat pump typeGround Source (GSHP)
ApplicationCommercial
RefrigerantR410A
ModeHeating only
Heating capacity121 kW
Max heating output (low temp)121 kW at B0/W35
COP (heating)4.5 at B0/W35
Heating flow temperatureup to 60 °C
Electrical supply380-415V (Three Phase)
Operational Weight800 kg
Data added2026-06-14
Data sourceManufacturer Data Sheet
MCS certification✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS listingView on MCS ↗

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Viessmann Vitocal 300-G Pro BW is a 121 kW ground source heat pump, using R410A refrigerant.

Where to buy (UK)

UK SupplierSecon Renewables
UK SupplierPirate Heating Supplies
UK SupplierBeet BG
UK SupplierGetPlumb
UK SupplierSolar Trading

✓ 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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