
180L Compact Heat Pipe Pressurized Solar Water Heater. High Thermal Efficiency: Heat collecting efficiency at least 20% above common systems, up to 55% in winter. Durable Stainless Steel Tank: Inner tank made of 1.2mm thick SUS304 food grade stainless steel (SUS316L optional). Pressurized Safety System: Works with mains pressure up to 8 bar with P/T valve for automatic pressure release. 5-Year Warranty Coverage: Comprehensive 5-year warranty covering mechanical defects and parts. Customization Options: Inner tank material (SUS304/SUS316L) and outer tank material (Steel/SUS201/SUS304) customizable. Fast Delivery for Stock Items: In-stock goods delivered within 3-7 working days. OEM and ODM Service: Logo printing and design customization available for OEM and ODM orders.