Place of Origin : Wuxi,China
Delivery Time : 10 Days
Payment Terms : TT
Material of inner tank: SUS 304 2B(food grade)
with 0.4mm thickness
polyurethane foam thickness:55-60mm non-pressurized thermosiphonsolar water heater with water tank, it is the economical as a natural circulation system, the water is heated in vacuum tubes directly.The water circulates constantly between water tank and vacuum tubes;The cold water in water tank will be hotter and hotter.