Head to head
Daikin Altherma 3 H HT EPRA14DV3 vs Gledhill Stainless Lite Plus 250
The Daikin Altherma 3 H HT EPRA14DV3 is a r32 monobloc high-temperature air source heat pump, class 14. The Gledhill Stainless Lite Plus 250 is a indirect unvented hot water cylinder, 250 litres.
Last reviewed 13 September 2026
Specifications side by side
| Daikin Altherma 3 H HT EPRA14DV3 | Gledhill Stainless Lite Plus 250 | |
|---|---|---|
| Dimensions | 990 x 1270 x 460 mm (H x W x D) (outdoor unit) | 1744 mm high x 550 mm diameter |
| Weight | 146 kg (single-phase) (outdoor unit) | 38.3 kg empty |
| Heat output | 10.17 kW (nominal heating) | - |
| SCOP | 4.51-4.71 (35C flow), 3.57-3.58 (55C flow) | - |
| Refrigerant | R32, 4.2 kg charge | - |
| Sound pressure | 43 dBA (heating) | - |
| Max flow temperature | 70C | - |
| Capacity | - | 250 litres |
| Relief valve setting | - | 6 bar and 95C |
| ErP rating | - | C |
| Warranty | - | 25 years on the cylinder body |
Sources: Daikin Altherma 3 H HT EPRA14DV3, Gledhill Stainless Lite Plus 250. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Altherma 3 H HT EPRA14DV3 if...
A high-temperature monobloc heat pump reaching a 70C flow, aimed squarely at replacing a boiler on an existing radiator system without upgrading radiators. Its class 14 size gives around 10.2kW of heat output, suiting a three or four-bed house.
Full Altherma 3 H HT EPRA14DV3 specifications →Buy or hire the Stainless Lite Plus 250 if...
A 250 litre indirect cylinder for a larger household with higher hot water demand, part of Gledhill's Stainless Lite Plus range. It carries the same 25 year cylinder guarantee as the smaller sizes and comes with an additional off-peak immersion option.
Full Stainless Lite Plus 250 specifications →Common questions
What is the difference between the Daikin Altherma 3 H HT EPRA14DV3 and the Gledhill Stainless Lite Plus 250?
The Daikin Altherma 3 H HT EPRA14DV3 is a r32 monobloc high-temperature air source heat pump, class 14; the Gledhill Stainless Lite Plus 250 is a indirect unvented hot water cylinder, 250 litres.
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