Head to head
Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW vs Telford Tempest 170 Direct
The Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kw heat output. The Telford Tempest 170 Direct is a direct unvented hot water cylinder, 170 litres.
Last reviewed 13 September 2026
Specifications side by side
| Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW | Telford Tempest 170 Direct | |
|---|---|---|
| Dimensions | 1020 x 1050 x 480 mm (H x W x D) | 1200 mm high x 510 mm diameter (approx.) |
| Weight | 119 kg | 40 kg empty, 208 kg full |
| Heat output | 11.2 kW at -7C outdoor / 35C flow | - |
| SCOP | 4.78 (MCS, 35C flow), 3.34 (55C flow) | - |
| Refrigerant | R32, 3.0 kg charge | - |
| Sound power | 60 dBA | - |
| Sound pressure at 1m | 45 dBA | - |
| Max flow temperature | 55C (space heating), 35C (combination heater) | - |
| Capacity | - | 170 litres |
| Immersion heater | - | 2 x 3kW, 240V single phase |
| Max inlet pressure | - | 3 bar (inlet control group) |
| Warranty | - | Lifetime guarantee on the cylinder (25 years internal), 2 years on components |
Sources: Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW, Telford Tempest 170 Direct. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Ecodan PUZ-WM112VAA 11.2kW if...
The largest domestic unit in the Ecodan PUZ-WM range at 11.2kW, sized for a larger house or one with a higher heat loss. Its SCOP of 4.78 at a 35C flow is among the higher MCS-rated figures in this range, and it weighs 119 kg against 98 kg for the smaller units.
Full Ecodan PUZ-WM112VAA 11.2kW 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 Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW and the Telford Tempest 170 Direct?
The Mitsubishi Electric Ecodan PUZ-WM112VAA 11.2kW is a r32 monobloc air source heat pump, 11.2 kW heat output; the Telford Tempest 170 Direct is a direct unvented hot water cylinder, 170 litres.
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