| Pressure | No Pressure |
| Model NO. | GF-40L-D100L to GF-100L-D300L |
| Structure | Separate Type |
| Customization | Available |
| Max. Capacity | 40L-300L |
Solargreen PV Solar Panel DC72V Solar Hot Water Systems. World's 1st PV DC Water Heater: The first solar PV DC water heater globally, combining high-quality electrical heater with solar PV panels. Super Grade 1 Energy Efficiency: 2 levels better than top standards. 24h intrinsic energy consumption coefficient is only 0.46. High Hot Water Output Rate: Hot water output rate reaches 94.8%, significantly higher than traditional Level 1 standards (>70%). Low Power Consumption: Power consumption is half of traditional electrical water heaters when using grid power only. 10 Years Warranty: Comprehensive 10-year warranty coverage for the product. Customizable Color Options: Available in White and Black colors to meet different aesthetic requirements. OEM/ODM Service: OEM and ODM services are welcomed for customized manufacturing needs. Safe and Constant Temperature: No water leakage worries, no cold water waste, and constant water temperature for comfort.