Head to head
Heatrae Sadia Megaflo Eco 210 vs Joule Cyclone Air 150L Direct
The Heatrae Sadia Megaflo Eco 210 is a indirect unvented hot water cylinder, 210 litres. The Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres.
Last reviewed 13 September 2026
Specifications side by side
| Heatrae Sadia Megaflo Eco 210 | Joule Cyclone Air 150L Direct | |
|---|---|---|
| Capacity | 210 litres | 150 litres |
| Heat-up time | 28 minutes (15 L/min recovery, 15C to 60C) | 57 minutes (full tank, 6kW immersion) |
| Dimensions | 1486 x 579 x 600 mm (H x W x D) | 1196 x 540 x 540 mm (H x W x D) |
| Immersion heater | 3kW incoloy immersion, back-up | 6kW (2 x 3kW) |
| Warranty | Lifetime guarantee in domestic installations | 1 year manufacturer's warranty |
| Max inlet pressure | 1.6 MPa (16 bar) | - |
Sources: Heatrae Sadia Megaflo Eco 210, Joule Cyclone Air 150L Direct. 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 Cyclone Air 150L Direct if...
A 150 litre direct unvented cylinder from Joule's Cyclone range, heated by twin immersion elements rather than a boiler or heat pump coil. It suits a property with electric-only heating or a holiday let, reheating a full tank in around 57 minutes.
Full Cyclone Air 150L Direct specifications →Common questions
What is the difference between the Heatrae Sadia Megaflo Eco 210 and the Joule Cyclone Air 150L Direct?
The Heatrae Sadia Megaflo Eco 210 is a indirect unvented hot water cylinder, 210 litres; the Joule Cyclone Air 150L Direct is a direct unvented hot water cylinder, 150 litres.
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