Head to head
Ideal Heating Vogue Max Combi C26 26kW vs Vaillant ecoTEC plus 825 25kW combi
The Vaillant ecoTEC plus 825 25kW combi puts out 3kW more to the radiators and is 1 points more efficient. The Ideal Heating Vogue Max Combi C26 26kW has 1kW more hot water output and runs 0.1 litres a minute more hot water.
Last reviewed 13 September 2026
Key differences
- Central heating output: the Vaillant ecoTEC plus 825 25kW combi puts out 3kW more to the radiators.
- Hot water output: the Ideal Heating Vogue Max Combi C26 26kW has 1kW more hot water output.
- Seasonal efficiency: the Vaillant ecoTEC plus 825 25kW combi is 1 points more efficient.
- Hot water flow rate: the Ideal Heating Vogue Max Combi C26 26kW runs 0.1 litres a minute more hot water.
Specifications side by side
| Ideal Heating Vogue Max Combi C26 26kW | Vaillant ecoTEC plus 825 25kW combi | |
|---|---|---|
| Hot water output | 26 kW | 25.4 kW |
| Central heating output | 18 kW | 20.8 kW |
| ErP class | A | A |
| Seasonal efficiency | 93% | 94% |
| Dimensions | 740 x 445 x 330 mm | 720 x 440 x 338 mm |
| Weight | 32.4 kg | 36 kg |
| Warranty | 10 years | 10 years with Vaillant Advance Boiler Protection Kit |
| Hot water flow rate | 10.6 litres per minute | 10.5 litres per minute |
Sources: Ideal Heating Vogue Max Combi C26 26kW, Vaillant ecoTEC plus 825 25kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Vogue Max Combi C26 26kW if...
- you want one that has 1kW more hot water output
- you want one that runs 0.1 litres a minute more hot water
A gas combi boiler with 26 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 10.6 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years. Seasonal efficiency is 93%.
Full Vogue Max Combi C26 26kW specifications →Buy or hire the ecoTEC plus 825 25kW combi if...
- you want one that puts out 3kW more to the radiators
- you want one that is 1 points more efficient
A gas combi boiler with 25.4 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 10.5 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years with Vaillant Advance Boiler Protection Kit. Seasonal efficiency is 94%.
Full ecoTEC plus 825 25kW combi specifications →Common questions
What is the difference between the Ideal Heating Vogue Max Combi C26 26kW and the Vaillant ecoTEC plus 825 25kW combi?
The Vaillant ecoTEC plus 825 25kW combi puts out 3kW more to the radiators and is 1 points more efficient. The Ideal Heating Vogue Max Combi C26 26kW has 1kW more hot water output and runs 0.1 litres a minute more hot water. The Ideal Heating Vogue Max Combi C26 26kW is a gas combi boiler, 26 kW hot water output; the Vaillant ecoTEC plus 825 25kW combi is a gas combi boiler, 25.4 kW hot water output.
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