1. Outer tank color is optional, better appearence
2. More than 15 year life time
3. Use in any time:It adopts advanced design and integrates with high efficiency pre-heated patent technique,So it can warm the cold water rapidly when if flows through special pipe.it can overcome the demerits of traditional SWH,such as slow heating,long wating time.
4. More capacity: we adopt special exchanging heat mode,it avoids mixed effect,so cold water can be heated at any time
5. Strong hydraulic pressure:the hydraulic pressure is same as tap water It is very suitable for tired person
6. Economical and Environment protecting:There is no pollution when it is work since depend on sunshine.green and economical
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