AquaSol 200L Evacuated-Tube Solar Water Heater

Pressurized solar water heater with 200 L insulated stainless steel tank and 20 evacuated tube collectors. Passive thermosiphon circulation — no pumps, no electricity required for operation. 75% annual thermal efficiency in the Lebanese climate, with backup 2 kW electric element for cloudy days. Freeze-resistant with closed-loop glycol option. Roof or ground mounting kit included. Typical payback under 3 years against EDL + generator hot water.