Non-pressure Solar Water Heater 1.Thecoatinginsideofvacuumtubeabsorbsthesunenergy2.Thewaterinsideofthevacuumtube3.Thevacuumtubeinsertintothenonpressuret
Pre-heating Solar Water Heater 1.Thecoppercoilisinsideofnonpressuretank,thecoppercoilcouldbearthepressureby0.7mpaduringtheoperation.2.Itiswithfeedertan
2014-09-02
Non-pressure Solar Water Heater(2) 1.Thecoatinginsideofvacuumtubeabsorbsthesunenergy2.Thewaterinsideofthevacuumtube3.Thevacuumtubeinsertintothenonpressuret