- Pre-assembled circulation unit with: 1/2” safety valve, flow meter with flow regulator, system fill and drain valves, shut-off valve and pressure gauge set, solar circulator, shut-off valve, solar electronic controller, expansion tank for 18-lt solar circuit

- The solar controller manages  solar circuit temperature through tank and collector probes (1 PT1000 probe + 1 NTC) and features autodiagnostics

- Double coil storage tank, 200 or 300 litres

- SOLextech V 2.1 flat solar collector included with Models ST 200 H / ST 300 H. Solar-keymark certification (EN 12975). 22 mm diameter connection, compression type

- Models BL 200 / BL 300 are without solar collectors (omoboblock only)

- Lodging for electrical heating element, 1” 1/2 fitting