OPEN SYSTEM OS

1. Polyurethane insulation 50mm
2. Galvanized 0.5mm
iron with oven baked paint
3. Thermostat
4. Immersion electric element
5. Hot water to user
6. Cold water inlet
7. Hot water from collector
8. Cathodic protection
9. Enamel coating - 220 Micron
10. Hot water to user
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CLOSED SYSTEM CS

1. Polyurethane insulation 50mm
2. Galvanized 0.5mm iron
with oven baked paint
3. Thermostat
4. Immersion electric element
5. Hot water to user
6. Cold water inlet
7. Heat exchanger inlet
8. Cathodic protection
9. Enamel coating - 220 Micron
10. Hot water to user
11. Heat exchanger outlet