300L Integrated Non Pressurized Flat Plate Solar Hot Water Heater

300L Integrated Non Pressurized Flat Plate Solar Hot Water Heater. High Thermal Efficiency: Uses Black Chrome or Blue Film selective absorption coating for large hot water output. Durable Stainless Steel Tank: Inner tank made of SUS304 food grade stainless steel with over 15 years service life. Multiple Capacity Options: Available in 100L, 150L, 200L, and 300L models to suit different family needs. Certified Quality: Products certified with CE, ISO9001, and Solar Keymark standards. Professional Welding Process: Nozzles use automatic double-sided argon shielded welding to prevent surface oxidation. Compact Modular Design: Compact structure with beautiful appearance, suitable for easy installation and maintenance. Comprehensive After-Sales Support: Provides telephone/video online installation guidance and brand marketing consultation. Established Manufacturer: Over 20 years of experience in solar energy product production and R&D since 1998.