Alpha Innotec WZSV (1.02–3.9 kW)

Specifications and technical data

✓ BUS eligibleGround Source (GSHP)ResidentialR410A1.02–3.9 kW

Manufacturer	Alpha Innotec
Model	WZSV
Model code	WZSV 42K3M
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 & cooling
Heating capacity	1.02–3.9 kW
Max heating output (low temp)	3.9 kW at B0/W35
COP (heating)	4.31 at B0/W35
Operating range (air)	-9 to 30 °C
Heating flow temperature	20–65 °C
Power input	1.5 kW
Electrical supply	380-415V (Three Phase)
Cooling capacity	10.5 kW
Cooling flow temperature	up to 18 °C
Dimensions (H×W×D)	1850 × 598 × 730 mm
Operational Weight	238 kg
Sound power level	42 dB(A) (Sound Power LW(A))
Data added	2026-06-23
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.	041-K001-50 a
MCS certification	✓ MCS listed
MCS certificate no.	041-K001-50
MCS listing	View on MCS ↗

Free data sheet (PDF) →

View manufacturer page →

Alpha Innotec WZSV is a 3.9 kW ground source heat pump, providing heating and cooling, using R410A refrigerant.

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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.