200L Solar Energy Compact Heat Pipe Pressurized Solar Water Heater

200L Solar Energy Compact Heat Pipe Pressurized Solar Water Heater. High Thermal Efficiency: Heat exchanging rate up to 55% even in winter and 20% higher than common solar systems. Durable Stainless Steel Tank: Inner tank made of 1.2mm thick SUS304 food grade stainless steel with optional SUS316L. 5-Year Warranty Coverage: Comprehensive 5-year warranty covering mechanical defects and parts replacement. Anti-Freeze & Scale Resistant: No water flows through tubes, preventing scale generation and tube cracking. Pressurized System Safety: Includes P/T valve to release pressure and temperature, supporting up to 8 bar. Flexible Customization: Full customization available for inner/outer tank materials and logo printing. Fast Delivery for Stock Items: Goods in stock can be delivered within 3-7 working days after payment.