Head to head
Heatrae Sadia Multipoint 100 vs Vaillant ecoTEC Pro 24kW combi
The Heatrae Sadia Multipoint 100 is a electric unvented water heater, 100 litres. The Vaillant ecoTEC Pro 24kW combi is a gas combi boiler, 23.4 kw hot water output.
Last reviewed 13 September 2026
Specifications side by side
| Heatrae Sadia Multipoint 100 | Vaillant ecoTEC Pro 24kW combi | |
|---|---|---|
| Dimensions | 1234 x 1207 x 454 (V) / 454 x 454 x 454 (H) mm | 720 x 440 x 338 mm |
| Warranty | 2 years full warranty, 10 years on the inner cylinder | 2 years standard, 7 years with Vaillant Advance registration |
| Capacity | 100 litres | - |
| Power | 3 kW, 230V | - |
| Heat-up time | approx. 112 minutes | - |
| Recovery time | approx. 79 minutes | - |
| Max operating pressure | 10 bar | - |
| Hot water output | - | 23.4 kW |
| Central heating output | - | 24.8 kW |
| ErP class | - | A |
| Seasonal efficiency | - | 93% |
| Weight | - | 38 kg |
| Hot water flow rate | - | 9.6 litres per minute |
Sources: Heatrae Sadia Multipoint 100, Vaillant ecoTEC Pro 24kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Multipoint 100 if...
A 100 litre electric unvented water heater from Heatrae Sadia's Multipoint range, for a property with no boiler-fed hot water such as an outbuilding or small flat. It runs from a 3kW element and carries a 10 year warranty on the inner cylinder.
Full Multipoint 100 specifications →Buy or hire the ecoTEC Pro 24kW combi if...
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%.
Full ecoTEC Pro 24kW combi specifications →Common questions
What is the difference between the Heatrae Sadia Multipoint 100 and the Vaillant ecoTEC Pro 24kW combi?
The Heatrae Sadia Multipoint 100 is a electric unvented water heater, 100 litres; the Vaillant ecoTEC Pro 24kW combi is a gas combi boiler, 23.4 kW hot water output.
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