Immergas SUPER TRIO TOP Instructions Booklet And Warnings page 71

1.17 MAIN COMPONENTS SOLAR HEATING SYSTEM COUPLING KIT (OPTIONAL).
31
7
3
Key:
1 - Expansion vessel / Expansion tank
2 - Solar control unit
3 - Plate heat exchanger
4 - Circulation unit
5 - Safety valve
6 - Can
7 - Interception cock
4
5
6
1
2
71