Head to head
Heatrae Sadia Megaflo Eco 170 vs Samsung EHS Mono HT Quiet 8.0kW
The Heatrae Sadia Megaflo Eco 170 is a indirect unvented hot water cylinder, 170 litres. The Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Heatrae Sadia Megaflo Eco 170 | Samsung EHS Mono HT Quiet 8.0kW | |
|---|---|---|
| Dimensions | 1384 x 579 x 600 mm (H x W x D) | 1018 x 1270 x 530 mm (H x W x D) |
| Capacity | 170 litres | - |
| Heat-up time | 22 minutes (15 L/min recovery, 15C to 60C) | - |
| Max inlet pressure | 1.6 MPa (16 bar) | - |
| Immersion heater | 3kW incoloy immersion, back-up | - |
| Warranty | Lifetime guarantee in domestic installations | - |
| Heat output | - | 8.0 kW |
| SCOP | - | 4.64 (35C flow), 3.38 (55C flow) |
| Refrigerant | - | R32, 2.7 kg charge |
| Sound pressure | - | 42 dB(A) standard, 35 dB(A) night mode |
| Weight | - | 126 kg |
| Max flow temperature | - | 70C |
Sources: Heatrae Sadia Megaflo Eco 170, Samsung EHS Mono HT Quiet 8.0kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Megaflo Eco 170 if...
A 170 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 22 minutes at a 15 litre/min flow rate and carries a lifetime guarantee in a domestic installation.
Full Megaflo Eco 170 specifications →Buy or hire the EHS Mono HT Quiet 8.0kW if...
An 8.0kW R32 monobloc heat pump sized for a small to medium house, reaching a 70C flow for radiator retrofits. A night mode sound setting brings it down to 35 dB(A), which suits a property with a neighbouring wall close to the outdoor unit.
Full EHS Mono HT Quiet 8.0kW specifications →Common questions
What is the difference between the Heatrae Sadia Megaflo Eco 170 and the Samsung EHS Mono HT Quiet 8.0kW?
The Heatrae Sadia Megaflo Eco 170 is a indirect unvented hot water cylinder, 170 litres; the Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kW heat output.
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