Drainage rod outside water/sewage machine body

The utility model discloses a drainage rod outside a water/sewage machine body. Comprising a drainage device, a heating element and a temperature control element, the drainage device is composed of a mounting flange, a clean water and sewage discharge pipe, a shell and the like. The temperature control element comprises a heat conducting plate, a low-temperature controller, a first-stage temperature relay, a second-stage temperature relay, a temperature sensor and a temperature fuse; a clean water discharge pipe and a sewage discharge pipe are respectively arranged in the shell, one end of the clean water discharge pipe and one end of the sewage discharge pipe penetrate through a mounting flange mounted at the top of the shell, and the other end of the clean water discharge pipe and the other end of the sewage discharge pipe are connected with a water outlet nozzle on the side wall of the shell; the electric heater is wound on the outer wall of the clear water and sewage discharge pipe; the heat conducting pl