Copper finned heat exchanger
| Model | Heating area | Coil capacity | Diameter | Length | Storage tanks connection |
| – | m² | lt | mm | mm | lt |
| ES 01 | 0,75 | 0,6 | 140 | 400 | 200 ÷ 5000 |
| ES 02 | 1,3 | 0,76 | 170 | 420 | 200 ÷ 5000 |
| ES 03 | 1,8 | 1,4 | 170 | 450 | 200 ÷ 5000 |
| ES 04 | 2,3 | 1,79 | 170 | 570 | 300 ÷ 5000 |
| ES 05 | 2,6 | 2,07 | 190 | 580 | 500 ÷ 5000 |
| ES 06 | 3,2 | 2,51 | 190 | 600 | 500 ÷ 5000 |
| ED 01 | 4,5 | 3,58 | 200 | 750 | 800 ÷ 5000 |
| ED 02 | 5,3 | 4,11 | 200 | 845 | 800 ÷ 5000 |
| ED 03 | 6,3 | 5 | 200 | 980 | 1500 ÷ 5000 |
