D2-AUS

Conventional duct housing with 2151 detector, no relay, no tube

D4120

4-Wire Photoelectric + Relay Duct Smoke Detector (stand-alone only)

D4120W

Watertight 4-Wire Photoelectric + Relay Duct Smoke Detector

Sampling Tubes

Sampling Tubes

RTS151KIT

Remote indicator and test panel with key-switch enabled test mode for duct and beam detectors