LOUVER VENTILATOR FOR HEAT TRACING

摘要

The present invention relates to a louver ventilator for heat tracing, comprising: a waterproof unit passing air from the outside and preventing water from infiltrating into a ventilation window; a body unit accommodating the waterproof unit; a door unit opening and closing the body unit according to whether to ventilate; a mesh member in a flat net shape rotatably installed by a hinge unit at the front of the body unit; and a hot wire attached on the mesh member, where power is applied from a power supply device.