Head to head
Heatrae Sadia Megaflo Eco 210 vs Vaillant ecoTEC Pro 30kW combi
The Heatrae Sadia Megaflo Eco 210 is a indirect unvented hot water cylinder, 210 litres. The Vaillant ecoTEC Pro 30kW combi is a gas combi boiler, 30 kw hot water output.
Last reviewed 13 September 2026
Specifications side by side
| Heatrae Sadia Megaflo Eco 210 | Vaillant ecoTEC Pro 30kW combi | |
|---|---|---|
| Dimensions | 1486 x 579 x 600 mm (H x W x D) | 720 x 440 x 335 mm |
| Warranty | Lifetime guarantee in domestic installations | 2 years standard, 7 years with Vaillant Advance registration |
| Capacity | 210 litres | - |
| Heat-up time | 28 minutes (15 L/min recovery, 15C to 60C) | - |
| Max inlet pressure | 1.6 MPa (16 bar) | - |
| Immersion heater | 3kW incoloy immersion, back-up | - |
| Hot water output | - | 30 kW |
| Central heating output | - | 25.7 kW |
| ErP class | - | A |
| Seasonal efficiency | - | 93% |
| Weight | - | 39 kg |
| Hot water flow rate | - | 12.3 litres per minute |
Sources: Heatrae Sadia Megaflo Eco 210, Vaillant ecoTEC Pro 30kW combi. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Megaflo Eco 210 if...
A 210 litre indirect unvented cylinder from Heatrae Sadia's Megaflo Eco range, one of the most fitted cylinder brands in the UK. It reheats in about 28 minutes at a 15 litre/min flow rate and carries a lifetime guarantee in a domestic installation.
Full Megaflo Eco 210 specifications →Buy or hire the ecoTEC Pro 30kW combi if...
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 Heatrae Sadia Megaflo Eco 210 and the Vaillant ecoTEC Pro 30kW combi?
The Heatrae Sadia Megaflo Eco 210 is a indirect unvented hot water cylinder, 210 litres; the Vaillant ecoTEC Pro 30kW combi is a gas combi boiler, 30 kW hot water output.
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