| 摘要 |
<p>The present invention relates to a hot water supply apparatus for a mat to circulate and supply hot water to a mat, comprising: a hot water tank which has an inlet for taking hot water from the mat and an outlet for discharging hot water to the mat and stores the hot water; a main body which hermetically accepts the hot water tank and has a make-up water inlet for injecting make-up water to the hot water tank; an auxiliary tank which is accepted in the hot water tank to be partitioned and receives and stores hot water supplied from the hot water tank to discharge it through the outlet; a check valve arranged in the auxiliary tank to prevent hot water flowing into the auxiliary tank from flowing backward to the hot water tank; and a guide pipe to connect the auxiliary tank to the main body and to guide the hot water flowing backward to the auxiliary tank through the outlet to be discharged to make-up water inlet.</p> |
