| PRAS/R | Model | 1-1/R | 2-2/R | 3-3/R | 4-4/R | DHW max. capacity | L/min. | 26 | 40 | 89 | 126 |
| DHW max. capacity | L/h | 1560 | 2460 | 5340 | 7560 |
| DHW max. capacity | L/min. | 2 | 2 | 5 | 10 |
| Max. electric capacity | W | 2+43 | 2+43 | 7,5+88 | 7,5+88 |
| Hydraulic connections | Gas | G¾” | G¾” | G1” | G1” |
| Dimensions | LxHxP | 450x642x212 | 450x642x212 | 480x646x293 | 480x646x293 |
| Weight | Kg | 17 - 19 | 18 - 20 | 25 - 27 | 26 - 28 |