Self-resetting one-key zero cold water system

The utility model discloses a self-resetting one-key zero cold water system, which is used for a water heater and comprises a circulating pump, an electric cabinet and a remote control switch, the circulating pump is installed between an external cold water pipe and a water inlet pipe of the water heater, and a hot water pipe of a far-end water using point is connected with the external cold water pipe through a one-way valve to form a circulating pipeline. The electric control box comprises a time relay with reset circulation, a first intermediate relay, a second intermediate relay, a wireless module and a socket; the circulating pump is connected with the socket, and when the socket is electrified, the circulating pump is powered, so that cold water in the hot water pipe is squeezed into the cold water pipe for recycling; the remote control switch is arranged at a far-end water consumption point and used for sending a starting instruction to the wireless module. 本实用新型公开了一种自复位一键零冷水系统，用于热水器，包括循环泵、电控箱和遥控开关；循环泵