System Sensor
System Sensor - D4120W Weatherproof Smoke Detector
$189.00
$266.29
$189.00
$266.29you save $77.29
The InnovairFlex D4120W watertight 4-wire photoelectric duct smoke detector is UL listed as a watertight enclosure providing protection against falling dirt, rain, windblown dust, splashing and hose directed water. D4120W duct smoke detector features a pivoting housing that fits various applications: both square and rectangular footprints mount to round or rectangular ductwork.