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.table{ border-collapse:collapse;}.table td, .table th{ border:1px solid #cdcdcd; padding:5px; word-break: break-all; word-wrap: break-word;}pre-heated solar water heater1.Ground temperature mouth      2.Drain vent     3.water inlet     4.water outlet     5.rubber blanket    6.Fault rate      7.air outlet      8.air outlet      9.Electrical heaterFeature:1.Glass vacuum tube solar collector, high temperature,antifreeze,vacuum insulation.2.Food-grade stainless-steel SUS304 2B inner tank,full-automatic welding technology,under the protection of magnesium rod,it can increase of service life.