Non-pressure system is the most economic solar water heater which work stable and no need any maintenance. It must be installed on the top, such as roof, to get enough hot water flow pressure. Also The tank must be above the collector, so the thermosiphon phenomenon can occur, circulation water from collector to tank.
Can be operated completely automatic if connect with intelligent controller.
Simple structure, easy plug-in installation, can be installed both on flat and inclined roof, and can be used with an auxiliary electric booster as to provide tot water without sunshine.
Superior heat preservation ensured by one-off molding polyurethane foam with thickness 55mm.
Suitable for camping area, holiday residences.
Stable and reliable performance, well wind resistance.
Meet the mankind healthy bath standard: The SUS304-2B material for inner tank; the long life silicon sealing ring against the erosion and not harmful to health.