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Vaillant

ecoTEC Pro 24kW combi

Gas combi boiler, 23.4 kW hot water output

Last reviewed 13 September 2026

Specifications

Hot water output23.4 kW
Central heating output24.8 kW
ErP classA
Seasonal efficiency93%
Dimensions720 x 440 x 338 mm
Weight38 kg
Warranty2 years standard, 7 years with Vaillant Advance registration
Hot water flow rate9.6 litres per minute

Figures taken from the manufacturer: source. Specifications change by model year and configuration - confirm with the supplier before relying on them.

Who uses it

A gas combi boiler with 23.4 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 9.6 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 2 years standard, 7 years with Vaillant Advance registration. Seasonal efficiency is 93%.

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Compare the Vaillant ecoTEC Pro 24kW combi

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GetBrent is an independent directory and is not a dealer for, nor affiliated with, Vaillant. Model and brand names are the trademarks of their owners, used here only to identify the products they refer to.