Pre-heating Solar Water Heater Specification:
1. Inner tank: SUS304-2B food grade stainless steel,0.45mm
2.Outer tank: Color Steel
3. Heat insulation layer: Imported PU(thickness: 50-55mm).
4. Flat plate collector 1-3 PCS
5. Frame(Stand):Galvanized steel,1.5mm. 20/25/38/45 degree optional.
6. Necessary: Electrical booster,Magnesui bar.