PIPING FOR HOT-WATER HEATING

摘要

PROBLEM TO BE SOLVED: To provide piping for hot-water heating which can arrange signal wires on in optional portion along the longitudinal direction of the installed piping for hot-water heating and can prevent the breakage of the arranged signal wires even if a going pipe or a return pipe is expanded or contracted by the heat of hot water transferred in the pipe for hot-water heating provided with the going pipe and the return pipe covered with a heat-insulating body.SOLUTION: Piping 2 for hot-water heating includes a water passing pipe formed of a going pipe 6 and a return pipe 7 as a pair and covered with a heat-insulating body 8. An accommodation part 13 which accommodates signal wires 12 for controlling a bathroom heating/drying system 1, a hot-water heating system is formed on the external surface 11 of the heat-insulating body 8.