80 to 500L Non-Pressure Vacuum Tube Solar Water Heater with Water Tank and Spare Parts for Heaters

80 to 500L Non-Pressure Vacuum Tube Solar Water Heater with Water Tank and Spare Parts for Heaters. 5-Year Warranty Coverage: Comprehensive warranty protection for 5 years on the solar water heater unit. High Efficiency Evacuated Tubes: Superior heat collection efficiency compared to flat plate solar water heaters. Food Grade Stainless Steel Tank: Inner tank made of imported SUS304-2B stainless steel meeting health standards. Superior Heat Preservation: 72-hour heat retention ensured by 50-60mm thick polyurethane foam insulation. Flexible Installation Options: Suitable for both flat and inclined roof installations with easy plug-in design. OEM/ODM Customization: Full customization available based on detailed customer requirements. Fast Sample Delivery: Sample orders delivered within 3-7 days after deposit. Global Certification: Certified with CE, ISO9001, and CCC standards for quality assurance.