
Assistant Tank Use for Non Pressure Solar Water Heater. Automatic Water Refill: Automatically refills water into the storage tank, preventing overflow without manual intervention. Food-Grade Inner Tank: Constructed with high-quality SUS304-2B stainless steel to ensure water safety and hygiene. Efficient Insulation: Features integrated polyurethane foam-forming for superior heat retention and energy efficiency. Durable Construction: Outer shell made of 0.4mm color steel with SUS304 argon-arc welded ball valve for long-lasting performance. Flexible Capacity Options: Available in multiple sizes ranging from 3L to 15L to suit various solar water heater needs. Full Customization Support: Offers flexible customization, full customization, and sample-based customization services. ISO Certified Quality: Manufactured under ISO9001:2015, ISO45001:2018, and ISO14001 management systems with 100% inspection. Established Manufacturer: Over 20 years of export experience with 10 production lines and 3 R&D engineers.