| 摘要 |
A hot water circulation device of a hot water mat is provided to circulate hot water by positioning the second outlet of the heating tank lower than the first inlet. A hot water circulation device of a hot water mat comprises a water tank(16) having first and second outlets(19a,19b,20) and an inlet(21) connected to a hot water outlet(27) of the hot water mat, a first valve(13a,13b) installed on the first outlet side, a second valve(14) installed on the second outlet side, a third valve(15) connected to the second valve via pipe, and a heating tank(11) heating the water. The heating tank includes a radiation heater(12) heating the water supplied from the water tank, a first inlet(22) connected to the first valve via pipe, a second inlet(23) connected to the third valve via pipe, a first outlet(24) connected through the hot water inlet of the hot water mat via pipe, and a second outlet(25) connected to the third valve via pipe, where the second outlet is positioned lower than the first inlet. |
