Viessmann Vitocal 300-G BWC (1.7–8.6 kW)

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Viessmann Vitocal 300-G BWC (1.7–8.6 kW)

Specifications and technical data

✓ BUS eligibleGround Source (GSHP)ResidentialR410A1.7–8.6 kW

Manufacturer	Viessmann
Model	Vitocal 300-G BWC
Model code	Vitocal 300-G BWC 301.C06
Heat pump type	Ground Source (GSHP) All Ground Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R410A All R410A heat pumps →
Mode	Heating only
Heating capacity	1.7–8.6 kW
Max heating output (low temp)	4.3 kW at B0/W35
COP (heating)	4.7 at B0/W35
SCOP (heating)	5.29 at W55
Operating range (air)	-10 to 25 °C
Heating flow temperature	up to 65 °C
Power input	0.91 kW
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1081 × 600 × 680 mm
Operational Weight	149 kg
Sound power level	39 dB(A) (Sound Power LW(A))
Data added	2026-06-14
Data source	Manufacturer Data Sheet
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	011-1W0291
MCS certification	✓ MCS listed
MCS certificate no.	011-1W0291
MCS listing	View on MCS ↗

Free data sheet (PDF) →

View manufacturer page →

Viessmann Vitocal 300-G BWC is a 8.6 kW ground source heat pump, using R410A refrigerant.

Where to buy (UK)

UK Supplier	Secon Renewables
UK Supplier	Pirate Heating Supplies
UK Supplier	Beet BG
UK Supplier	GetPlumb
UK Supplier	Solar Trading

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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.