給湯器 きゅうとうき Meanings Noun water heater; (domestic) boiler Kanji 給 supply. Read as キュウ. 湯 hot water. Read as トウ. 器 device. Read as キ. Words containing 給湯器 電気給湯器 (でんききゅうとうき) electric water heater Jinuma: Japanese Dictionary · Word lists