Vent with Thermostat and Dome Sensor

Includes the same great features as 31-1925, but also includes an automatic dome opener with a rain sensor. The dome cover is opened when the dome up switch is turned on and closed when the down feature is selected. Polycarbonate dome will close when the rain sensor becomes wet, then re-opens once the sensor dries. Fits standard 14" x 14" roof openings. 16-1/2"L x 16-1/2"W x 14-1/2"D. 2 year warranty. 1 per box.