Also known as instant-on water heater, on-demand water heater, hybrid water heater, tankless water heating, flash water heater, tankless water heater, inline water heater,
熱水器，是為有限範圍（如：家居）提供熱水的裝置。一般以对水加熱的能源分類，有如燃氣（天然氣、煤氣）、電能、太陽能或空氣能加熱的熱水爐。用煤气或太阳能加热的热水器多为洗浴用提供热水，用电能加热的有为洗浴也有为饮用提供热水的。
Abstract from DBpedia / Wikipedia · CC BY-SA
quick water heater without a water tank
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).