Leakage protection structure for water inlet system of water heater

The present invention discloses a water heater system leakage protection structure, comprising a water inlet pipe, the inlet pipe connected to the inlet connector end, said inlet flow passage through the joint are equipped with water inlet and water outlet, the water inlet fitting on a grounding terminal, a ground terminal end extends into the inner flow channel, the outer end of the ground wire, is also provided with the intake pipe on leakage protection, leakage protection device comprising a body, said body including an upper housing and a lower housing, the outer housing is provided with inlet end, the lower end of the outer housing is provided with a water outlet, the upper housing and the lower housing inner end face are respectively provided with a helical flow path within the housing with the helical flow path inlet in communication, under helical flow path within the housing and an outlet in communication. While the present invention is provided with a ground line connected to the ground terminal, and also provided with a water pipe leakage protection, double protection acts in the inlet connector.