1.47*1800MM-24tubes,
2.with 50L service tank
3.both inner and outer tank are SUS304
4.OEM is accepted

non-pressure solar water heater

1. Material of inner tank chest is SUS304/2B; Diameter of inner tank chest DIA380mm; Diameter of outer tank shell DIA480mm  
2. Material of outer tank shell is imported color armor plate
3. Support material: Galvanizes the steel plate, thickness: 1.5mm 
4. Collector: DIA47/1800mm tube  
5. 47*1800mm-24TUBES

6. Heat insulating layer: 55mm polyurethane foaming
7. with 50L service tank