Detailed Product Description

Working pricinples:
Non-pressure solar water heater relies on the natural circulation of water

between the collector and the tank. The whole system works at 0.2MPA.
When the water in the vacuum tubes  heated, hot water rises naturally into

the tank, and  the cool water in the tank flows down to the bottom of the

vacuum tubes.As this circulation works throughout the whole system constantly

,so we get the hot water,

Necessary parts: Tank, tube,barket
Choice parts:
A controller----show water level, temparature for the conveince of cold water

supply
Water auot filling tank:  fill water in time constantly
An electric heater: when without sunshine ,etc: in rain days and winter

days,use for heating water.