Free Sun has replaced all the complications by using a simple stainless steel 304 inner tank insulated with high quality polyurethane wrapped with a protection layer linked by evacuated tubes installed on the roof to get domestic hot water for free during the year.
The non-pressurized solar water heater uses the principle of thermosiphon; it is economical, easy in installation and investment, with high performance, and it works in different climate conditions.
Based on Evacuated Tube technology
|Product code||FS 16||FS 20||FS 24||FS 30|
|Tank Capacity||151 L||178 L||200 L||249L|
|No of tubes||16||20||24||30|
|Inner tank||Stainless steel 304||Stainless steel 304||Stainless steel 304||Stainless steel 304|
|Outer tank||PVDF zinc coated steel||PVDF zinc coated steel||PVDF zinc coated steel||PVDF zinc coated steel|
|Insulation foam||Poly urethane 5 cm||Poly urethane 5 cm||Poly urethane 5 cm||Poly urethane 5cm|