Head to head
Gledhill Stainless Lite Plus 250 vs Vaillant aroTHERM plus 7kW
The Gledhill Stainless Lite Plus 250 is a indirect unvented hot water cylinder, 250 litres. The Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Gledhill Stainless Lite Plus 250 | Vaillant aroTHERM plus 7kW | |
|---|---|---|
| Dimensions | 1744 mm high x 550 mm diameter | 1565 x 1100 x 450 mm (H x W x D) |
| Weight | 38.3 kg empty | 194 kg (operating) |
| Capacity | 250 litres | - |
| Relief valve setting | 6 bar and 95C | - |
| ErP rating | C | - |
| Warranty | 25 years on the cylinder body | - |
| Heat output | - | 7 kW |
| SCOP | - | up to 5.03 |
| Refrigerant | - | R290 (propane), low GWP |
| Sound power | - | 58 dB(A) at A7/W35, 60 dB(A) at A7/W55 |
| Max flow temperature | - | 75C |
Sources: Gledhill Stainless Lite Plus 250, Vaillant aroTHERM plus 7kW. Figures vary by model year and options, so check with the supplier before you commit.
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 →Buy or hire the aroTHERM plus 7kW if...
A mid-size aroTHERM plus for a typical three-bed house. It is taller and heavier than the 5kW unit, reflecting a larger outdoor cabinet, and shares the same R290 refrigerant and 75C maximum flow temperature.
Full aroTHERM plus 7kW specifications →Common questions
What is the difference between the Gledhill Stainless Lite Plus 250 and the Vaillant aroTHERM plus 7kW?
The Gledhill Stainless Lite Plus 250 is a indirect unvented hot water cylinder, 250 litres; the Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kW heat output.
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