non pressure solar water heater

Description

Features: 1) reliable and stable performance and wind-resistance 2) vacuum tube with good heating absorption 3) dual-purpose brackets for both the flat and inclined roof 4) economical solar heater products specifications: 1) the material of brackets: color painted iron plate, thickness:1.5mm 2) the size of vacuum tube: ø*7****0mm, ø*8****0 and ø*0****0mm 3) the material of inner tank:food-grade stainless steel SUS****2B:0.4mm 4) the material of outer tank: stainless steel(**4) plate :thickness:0.*1mm 5) capacity of water tank:*0/**0/**5/**0/**6/**0/**0/**0L 6) the material of insulation:polyurethane foam, thickness:*0mm**5mm 7) the dimension of outer tank:**0mm or **0mm 8) pressure:0 pa 9) heat preservation:*2 hrs *0)hail resistance:*5mm