Head to head
Daikin Altherma 3 H HT EPRA16DV3 vs Gledhill Stainless Lite Plus 150
The Daikin Altherma 3 H HT EPRA16DV3 is a r32 monobloc high-temperature air source heat pump, class 16. The Gledhill Stainless Lite Plus 150 is a indirect unvented hot water cylinder, 150 litres.
Last reviewed 13 September 2026
Specifications side by side
| Daikin Altherma 3 H HT EPRA16DV3 | Gledhill Stainless Lite Plus 150 | |
|---|---|---|
| Dimensions | 990 x 1270 x 460 mm (H x W x D) (outdoor unit) | 1118 mm high x 550 mm diameter |
| Weight | 146 kg (single-phase) (outdoor unit) | 26 kg empty, 174 kg full |
| Heat output | 11.57-11.82 kW | - |
| SCOP | 4.51-4.71 (35C flow), 3.57-3.58 (55C flow) | - |
| Refrigerant | R32, 4.2 kg charge | - |
| Sound pressure | 38 dBA at 3m (standard mode), 35 dBA at 3m (low sound mode) | - |
| Max flow temperature | 70C | - |
| Capacity | - | 150 litres |
| Heat-up time | - | 25 minutes |
| Relief valve setting | - | 6 bar and 95C |
| Immersion heater | - | 3kW incoloy immersion, back-up |
| ErP rating | - | B |
Sources: Daikin Altherma 3 H HT EPRA16DV3, Gledhill Stainless Lite Plus 150. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Altherma 3 H HT EPRA16DV3 if...
The next size up in the Altherma 3 H HT range at around 11.7kW, still reaching a 70C flow for boiler-replacement jobs. It shares the same outdoor cabinet size and weight as the class 14 unit, so it suits a larger house without a larger footprint.
Full Altherma 3 H HT EPRA16DV3 specifications →Buy or hire the Stainless Lite Plus 150 if...
A 150 litre indirect cylinder from Gledhill's Stainless Lite Plus range, sized for a small to medium house. Its corrugated coil reheats in about 25 minutes, and the range carries a 25 year guarantee on the cylinder body.
Full Stainless Lite Plus 150 specifications →Common questions
What is the difference between the Daikin Altherma 3 H HT EPRA16DV3 and the Gledhill Stainless Lite Plus 150?
The Daikin Altherma 3 H HT EPRA16DV3 is a r32 monobloc high-temperature air source heat pump, class 16; the Gledhill Stainless Lite Plus 150 is a indirect unvented hot water cylinder, 150 litres.
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