... time:7-15 days Split Pressurized Solar Water Heater Contain main parts: Solar Collector, Pump Station and Water Tank. 1. Working principle The ... the water tank is separated, that makes the system combine with the building perfectly, which will reduce the sightseeing for ... element heat tube, borrosilicate glass 3.3 7) Solar working station: Controller, Circulation pump, expansion tank 5L-8L, manometer, ...