manifold (interior): red copper
manifold (exterior): aluminum alloy
Glass tube dimensions: 58mm x 1.8m / 47mm x 1.5m
Heat preservation: 72 hrs
Hail resistance: 25mm
max pressure: 6 bar
Coating of vacuum tube: SS-C/CU
heat pipe : anti-freezing > -35 degree
Specifications:
solar water heater(SOLAR KEY MARK and SRCC Certificate
)
High quality,environmental friendly,24hours hot water provided .
| Delivery Time: | 20days |
| Package: | standard export packing |
| Supply Ability: | 2000 Set/Sets per Month |
| Minimum Order Quantity: | 1 Set/Sets |
| Payment Terms: | L/C,T/T |
| certificate: | SOLAR KEY MARK,SRCC |
| Pipe Material: | Copper |
| Application: | Water Heater |
| Type: | Vacuum Solar Collector |
| Place of Origin: | Zhejiang China (Mainland) |