SYSTEM SENSOR D4S 14/01 If the break-rod is used

If the break-rod is used

The APS also has room for and can power a number of different modules

These detectors can be customized to meet local codes and specifications without additional wiring

This device provides visual and audible alarm indications

SYSTEM SENSOR D4S 14/01 If the break-rod is usedThe InnovairFlex D4120 4 wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of 4F to 158F, and a humidity range of 0 to 95 percent (non condensing). A plug in sensor head offers improved false alarm immunity and