Head to head
Heatrae Sadia Megaflo Eco 250 vs Telford Tempest 170 Direct
The Heatrae Sadia Megaflo Eco 250 is a indirect unvented hot water cylinder, 250 litres. The Telford Tempest 170 Direct is a direct unvented hot water cylinder, 170 litres.
Last reviewed 13 September 2026
Specifications side by side
| Heatrae Sadia Megaflo Eco 250 | Telford Tempest 170 Direct | |
|---|---|---|
| Capacity | 250 litres | 170 litres |
| Dimensions | 1738 x 579 x 600 mm (H x W x D) | 1200 mm high x 510 mm diameter (approx.) |
| Max inlet pressure | 1.6 MPa (16 bar) | 3 bar (inlet control group) |
| Immersion heater | 3kW incoloy immersion, back-up | 2 x 3kW, 240V single phase |
| Warranty | Lifetime guarantee in domestic installations | Lifetime guarantee on the cylinder (25 years internal), 2 years on components |
| Heat-up time | 34 minutes (15 L/min recovery, 15C to 60C) | - |
| Weight | - | 40 kg empty, 208 kg full |
Sources: Heatrae Sadia Megaflo Eco 250, Telford Tempest 170 Direct. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Megaflo Eco 250 if...
A 250 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 34 minutes at a 15 litre/min flow rate and carries a lifetime guarantee in a domestic installation.
Full Megaflo Eco 250 specifications →Buy or hire the Tempest 170 Direct if...
A 170 litre direct unvented cylinder from Telford's Tempest range, built in duplex stainless steel with twin 3kW immersions rather than a boiler coil. It suits an all-electric property, and the cylinder body carries a lifetime guarantee when serviced annually.
Full Tempest 170 Direct specifications →Common questions
What is the difference between the Heatrae Sadia Megaflo Eco 250 and the Telford Tempest 170 Direct?
The Heatrae Sadia Megaflo Eco 250 is a indirect unvented hot water cylinder, 250 litres; the Telford Tempest 170 Direct is a direct unvented hot water cylinder, 170 litres.
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