| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology capable of preventing missing of a protection cap without causing a hindrance, when the protection cap is removed from a hot water mat-side socket.SOLUTION: In the hot water mat including a mat portion provided with a plurality of radiation tubes 21, and a connecting structure portion 3 disposed on the hot water mat to transfer and receive hot water between the hot water mat and the external, a connection cover 31 for supporting a pair of sockets in a parallel state, and the protection cap 40 detachable to the pair of sockets 32 are disposed. A cap accommodating portion 36 is disposed to accommodate and support the protection cap detached from the pair of sockets 32. |
