Vaillant flexoTHERM (11.27 kW)

Specifications and technical data

Ground Source (GSHP)ResidentialR410A11.27 kW

Manufacturer	Vaillant
Model	flexoTHERM
Model code	flexoTHERM 11 400V
Heat pump type	Ground Source (GSHP)
Application	Residential
Refrigerant	R410A
Mode	Heating only
Heating capacity	11.27 kW
Max heating output (low temp)	11.12 kW at B0/W35
COP (heating)	5.58 at B0/W35
SCOP (heating)	5.3 at W35
Operating range (air)	-10 to 25 °C
Heating flow temperature	25–65 °C
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1183 × 595 × 600 mm
Operational Weight	175 kg
Sound power level	48.5 dB(A) (Sound Power LW(A))
Price (unit only)	£4445.53–£7026.19 (checked 28/08/2026)
Data added	2026-07-02
Data source	Manufacturer Data Sheet

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Vaillant flexoTHERM is a 11 kW ground source heat pump, using R410A refrigerant (model flexoTHERM 11 400V).

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

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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.