Head to head
Ideal Heating Logic Max Combi C30 30kW vs Vaillant ecoTEC Pro 30kW combi
The Ideal Heating Logic Max Combi C30 30kW comes with 8 years more warranty and is 1 points more efficient.
Last reviewed 13 September 2026
Key differences
- Warranty: the Ideal Heating Logic Max Combi C30 30kW comes with 8 years more warranty.
- Seasonal efficiency: the Ideal Heating Logic Max Combi C30 30kW is 1 points more efficient.
- Hot water output: the Ideal Heating Logic Max Combi C30 30kW has 0kW more hot water output.
- Hot water flow rate: the Ideal Heating Logic Max Combi C30 30kW runs 0.1 litres a minute more hot water.
- Central heating output: the Vaillant ecoTEC Pro 30kW combi puts out 0kW more to the radiators.
Specifications side by side
| Ideal Heating Logic Max Combi C30 30kW | Vaillant ecoTEC Pro 30kW combi | |
|---|---|---|
| Hot water output | 30.3 kW | 30 kW |
| Central heating output | 25.6 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 |
| Weight | 28.6 kg | 39 kg |
| Warranty | 10 years | 2 years standard, 7 years with Vaillant Advance registration |
| Hot water flow rate | 12.4 litres per minute | 12.3 litres per minute |
Sources: Ideal Heating Logic Max Combi C30 30kW, 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 C30 30kW if...
- you want one that comes with 8 years more warranty
- you want one that is 1 points more efficient
- you want one that has 0kW more hot water output
- you want one that runs 0.1 litres a minute more hot water
A gas combi boiler with 30.3 kW of hot water output, sized for a three-bed house with one or two bathrooms. It delivers about 12.4 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 C30 30kW specifications →Buy or hire the ecoTEC Pro 30kW combi if...
- you want one that puts out 0kW 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 C30 30kW and the Vaillant ecoTEC Pro 30kW combi?
The Ideal Heating Logic Max Combi C30 30kW comes with 8 years more warranty and is 1 points more efficient. The Ideal Heating Logic Max Combi C30 30kW is a gas combi boiler, 30.3 kW hot water output; the Vaillant ecoTEC Pro 30kW combi is a gas combi boiler, 30 kW hot water output.
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