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Ideal Heating Logic Max Combi C24 24kW vs Viessmann Vitodens 050-W 35kW combi

The Ideal Heating Logic Max Combi C24 24kW comes with 7 years more warranty. The Viessmann Vitodens 050-W 35kW combi runs 4.2 litres a minute more hot water and has 10kW more hot water output.

Last reviewed 13 September 2026

Ideal Heating Logic Max Combi C24 24kW
Ideal Heating Logic Max Combi C24 24kW - image: Ideal Heating
Vitodens 050-W 35kW combi
Viessmann Vitodens 050-W 35kW combi

Key differences

Specifications side by side

Ideal Heating Logic Max Combi C24 24kWViessmann Vitodens 050-W 35kW combi
Hot water output24.2 kW34.2 kW
Central heating output24.2 kW32 kW
ErP classAA
Seasonal efficiency94%93%
Dimensions700 x 395 x 278 mm700 x 400 x 300 mm
Warranty10 years3 years
Hot water flow rate9.9 litres per minute14.1 litres per minute

Sources: Ideal Heating Logic Max Combi C24 24kW, Viessmann Vitodens 050-W 35kW 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 7 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 Vitodens 050-W 35kW combi if...

  • you want one that runs 4.2 litres a minute more hot water
  • you want one that has 10kW more hot water output
  • you want one that puts out 8kW more to the radiators

A gas combi boiler with 34.2 kW of hot water output, sized for a larger house with two bathrooms. It delivers about 14.1 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 3 years. Seasonal efficiency is 93%.

Full Vitodens 050-W 35kW combi specifications →

Common questions

What is the difference between the Ideal Heating Logic Max Combi C24 24kW and the Viessmann Vitodens 050-W 35kW combi?

The Ideal Heating Logic Max Combi C24 24kW comes with 7 years more warranty. The Viessmann Vitodens 050-W 35kW combi runs 4.2 litres a minute more hot water and has 10kW more hot water output. The Ideal Heating Logic Max Combi C24 24kW is a gas combi boiler, 24.2 kW hot water output; the Viessmann Vitodens 050-W 35kW combi is a gas combi boiler, 34.2 kW hot water output.

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