| 摘要 |
Provided is a combination unit of a hot water mat device. The combination unit includes: a first combination member including a first pipe; a second combination member including a second pipe surrounding the first pipe, a combination inducing part partially exposing the side of the second pipe to the first pipe, and a mount dam opened on the second pipe towards the combination inducing part; and a detachable member including a push button and a push tab, which are surrounded by the mount dam on the second pipe, and a hook coming in contact with the edge of the first pipe through the combination inducing part by being fixed to the push tab and the push button. |
