Pre-heated pressure solar water heater dia of inner tank/outer tank:360mm/460mmPU layer:50mminlet/outlet/air vent:1/2inch or 3/4inchfeeder tank:20L/50Lreflecto
2018-06-26
Non-pressure solar water heater dia of inner tank/outer tank:360mm/460mmPU layer:50mminlet/outlet/air vent:1/2inch or 3/4inchreflector and electric heat