solar water heater with assistant tank
competive price
non pressurized
heat preservention:75h
assistant tank

1.vacuum tube  solar water heater with assistank tank

2.inner tank:52mm polyurethane foam

   material:imported SUB-304-2B stainless steel food grade

   capacity:160L.200L.240L.280L.320L

3.outer tank of solar water heater:color painted steel

4.vacuum tube quantity:15.18.21.24.30

5.glass:borosilicate  glass 3.3

6.diameter of vacuum tube solar water heater:1800*ø58mm/1500*ø47mm