Head to head
Gledhill Stainless Lite Plus 150 vs Vaillant aroTHERM plus 5kW
The Gledhill Stainless Lite Plus 150 is a indirect unvented hot water cylinder, 150 litres. The Vaillant aroTHERM plus 5kW is a r290 monobloc air source heat pump, 5 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Gledhill Stainless Lite Plus 150 | Vaillant aroTHERM plus 5kW | |
|---|---|---|
| Dimensions | 1118 mm high x 550 mm diameter | 965 x 1100 x 450 mm (H x W x D) |
| Weight | 26 kg empty, 174 kg full | 128 kg (operating) |
| 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 | - |
| Heat output | - | 5 kW |
| SCOP | - | up to 5.03 |
| Refrigerant | - | R290 (propane), low GWP |
| Sound power | - | 53 dB(A) at A7/W35, 58 dB(A) at A7/W55 |
| Max flow temperature | - | 75C |
Sources: Gledhill Stainless Lite Plus 150, Vaillant aroTHERM plus 5kW. Figures vary by model year and options, so check with the supplier before you commit.
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 →Buy or hire the aroTHERM plus 5kW if...
The smallest aroTHERM plus, sized for a well-insulated flat or small house. It uses the natural refrigerant R290 rather than an F-gas, and reaches a 75C flow temperature, which helps it work with existing radiators on a retrofit job.
Full aroTHERM plus 5kW specifications →Common questions
What is the difference between the Gledhill Stainless Lite Plus 150 and the Vaillant aroTHERM plus 5kW?
The Gledhill Stainless Lite Plus 150 is a indirect unvented hot water cylinder, 150 litres; the Vaillant aroTHERM plus 5kW is a r290 monobloc air source heat pump, 5 kW heat output.
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