Head to head
Gledhill Stainless Lite Plus 250 vs NIBE S2125 Model 12
The Gledhill Stainless Lite Plus 250 is a indirect unvented hot water cylinder, 250 litres. The NIBE S2125 Model 12 is a air/water heat pump, up to 8.4 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Gledhill Stainless Lite Plus 250 | NIBE S2125 Model 12 | |
|---|---|---|
| Dimensions | 1744 mm high x 550 mm diameter | 1070 x 1130 x 820 mm (H x W x D) |
| Weight | 38.3 kg empty | 160 kg |
| Capacity | 250 litres | - |
| Relief valve setting | 6 bar and 95C | - |
| ErP rating | C | - |
| Warranty | 25 years on the cylinder body | - |
| Heat output | - | 6.80-7.60 kW (average climate), 8.4 kW (cold climate) |
| SCOP | - | 5.0 at 35C, 3.8 at 55C (average climate); 4.2 at 35C, 3.4 at 55C (cold climate) |
| Sound power | - | 49 dB(A) at nominal rating (EN12102) |
| Max flow temperature | - | up to 75C |
Sources: Gledhill Stainless Lite Plus 250, NIBE S2125 Model 12. 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 S2125 Model 12 if...
The larger NIBE S2125, sized for a medium house and rated to hold output down to -25C outdoor temperature. It shares its cabinet size with the smaller model but weighs 10 kg more for the larger compressor.
Full S2125 Model 12 specifications →Common questions
What is the difference between the Gledhill Stainless Lite Plus 250 and the NIBE S2125 Model 12?
The Gledhill Stainless Lite Plus 250 is a indirect unvented hot water cylinder, 250 litres; the NIBE S2125 Model 12 is a air/water heat pump, up to 8.4 kW heat output.
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