In chilly north, this product needs no extra electric heating and only needs a heating radiator for continuous supply of hot water.
本产品在北方寒冷的冰雪天，无需电加热辅助，只需你家有热水暖气片，太阳能热水则源源不断。
In chilly north, this product needs no extra electric heating and only needs a heating radiator for continuous supply of hot water.
本产品在北方寒冷的冰雪天，无需电加热辅助，只需你家有热水暖气片，太阳能热水则源源不断。
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