| Q38S |
| Input Hs CH | kW | 38 |
| Qn Input Hi CH | kW | 34.2 |
| Efficiency according EN677 (36/30°C part load, Hi) | % | 109.1 |
| Efficiency according EN677 (80/60°C full load, Hi) | % | 97.4 |
| Modulation range CH (capacity 80/60°) | kW | 6.0 - 33.3 |
| Modulation range CH (capacity 50/30°) | kW | 6.8 - 36.3 |
| Gas consumption G20 CH (DHW) (at 1013 mbar/15°C) | m3/h | 3.62 |
| Degree of protection acc. EN 60529 | | IPX0D |
| Weight (empty) | kg | 53 |
| Width | mm | 500 |
| Height | mm | 680 |
| Depth | mm | 385 |
| Available pump head CH | kPa | 22 |
| Label | | Sedbuk A |