Vaillant flexoTHERM (8.89 kW)

Specifications and technical data

Ground Source (GSHP)ResidentialR410A8.89 kW

Manufacturer	Vaillant
Model	flexoTHERM
Model code	flexoTHERM 8 230V
Heat pump type	Ground Source (GSHP)
Application	Residential
Refrigerant	R410A
Mode	Heating only
Heating capacity	8.89 kW
Max heating output (low temp)	8.76 kW at B0/W35
COP (heating)	5.1 at B0/W35
SCOP (heating)	4.64 at W35
Operating range (air)	-10 to 25 °C
Heating flow temperature	25–65 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	1183 × 595 × 600 mm
Operational Weight	173 kg
Sound power level	45.6 dB(A) (Sound Power LW(A))
Price (unit only)	~£6837.47 (checked 28/08/2026)
Data added	2026-07-02
Data source	Manufacturer Data Sheet

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Vaillant flexoTHERM is a 8 kW ground source heat pump, using R410A refrigerant (model flexoTHERM 8 230V).

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Secon Renewables
UK Supplier	City Plumbing
UK Supplier	Pirate Heating Supplies
UK Supplier	Eco Wizard

✓ 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.