Head to head
Ideal Heating Logic Max Combi C24 24kW vs Vaillant ecoTEC Pro 30kW combi
The Ideal Heating Logic Max Combi C24 24kW comes with 8 years more warranty. The Vaillant ecoTEC Pro 30kW combi runs 2.4 litres a minute more hot water and has 6kW more hot water output.
Last reviewed 13 September 2026
Key differences
- Warranty: the Ideal Heating Logic Max Combi C24 24kW comes with 8 years more warranty.
- Hot water flow rate: the Vaillant ecoTEC Pro 30kW combi runs 2.4 litres a minute more hot water.
- Hot water output: the Vaillant ecoTEC Pro 30kW combi has 6kW more hot water output.
- Central heating output: the Vaillant ecoTEC Pro 30kW combi puts out 2kW more to the radiators.
- Seasonal efficiency: the Ideal Heating Logic Max Combi C24 24kW is 1 points more efficient.
Specifications side by side
| Ideal Heating Logic Max Combi C24 24kW | Vaillant ecoTEC Pro 30kW combi | |
|---|---|---|
| Hot water output | 24.2 kW | 30 kW |
| Central heating output | 24.2 kW | 25.7 kW |
| ErP class | A | A |
| Seasonal efficiency | 94% | 93% |
| Dimensions | 700 x 395 x 278 mm | 720 x 440 x 335 mm |
| Warranty | 10 years | 2 years standard, 7 years with Vaillant Advance registration |
| Hot water flow rate | 9.9 litres per minute | 12.3 litres per minute |
| Weight | - | 39 kg |
Sources: Ideal Heating Logic Max Combi C24 24kW, Vaillant ecoTEC Pro 30kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Logic Max Combi C24 24kW if...
- you want one that comes with 8 years more warranty
- you want one that is 1 points more efficient
A gas combi boiler with 24.2 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 9.9 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years. Seasonal efficiency is 94%.
Full Logic Max Combi C24 24kW specifications →Buy or hire the ecoTEC Pro 30kW combi if...
- you want one that runs 2.4 litres a minute more hot water
- you want one that has 6kW more hot water output
- you want one that puts out 2kW more to the radiators
A gas combi boiler with 30 kW of hot water output, sized for a three-bed house with one or two bathrooms. It delivers about 12.3 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%.
Full ecoTEC Pro 30kW combi specifications →Common questions
What is the difference between the Ideal Heating Logic Max Combi C24 24kW and the Vaillant ecoTEC Pro 30kW combi?
The Ideal Heating Logic Max Combi C24 24kW comes with 8 years more warranty. The Vaillant ecoTEC Pro 30kW combi runs 2.4 litres a minute more hot water and has 6kW more hot water output. The Ideal Heating Logic Max Combi C24 24kW is a gas combi boiler, 24.2 kW hot water output; the Vaillant ecoTEC Pro 30kW combi is a gas combi boiler, 30 kW hot water output.
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