Duct Smoke Detector | D4120

The D4120 Duct Smoke Detector is a reliable 4-wire photoelectric detector designed to ensure optimal safety in your space. With its integrated low-flow sampling tubes available in various lengths from 1 to 12 ft, this detector, compatible with G80-609 models, provides early detection of smoke in square or rectangular configurations. Installation can be completed easily in under 30 minutes with common tools. We know appliances inside and out and will help you find the right part with expert, honest advice.