Intelligent Duct Smoke Detectors
2251BR 2251BR 2251BRA
2251BR Data Sheet Data Sheet (pdf)
2251BR Installation Instructions Installation Instructions (pdf)

Photoelectric Smoke Detector, remote test capable, for use with DNRA Duct Smoke Detectors


DNR DNR DNRHSA
DNR Data Sheet Data Sheet (pdf)
DNR Installation Instructions Installation Instructions (pdf)

The DNRHSA detector is designed for interior duct applications where high velocity, high volume air changes are required for very early warning fire protection.


DNR DNR DNRA
DNR Data Sheet Data Sheet (pdf)
DNR Installation Instructions Installation Instructions (pdf)

Intelligent non-relay photoelectric duct smoke detector. Detector head sold separately.



Discontinued Products
Discontinued Model Installation Instructions   Replacement Model
DH200PLA DH200PL Brochure   DNRA
Intelligent Low-Flow Duct Smoke Detector (non-relay)
DH200RPLA DH200RPL Brochure   DNRA
Intelligent Low-Flow Duct Smoke Detector (with relay)
DH500A DH500 Brochure   DNRA
Intelligent Duct Smoke Sensor Housing
DH500ACDCA DH500ACDC Brochure   DNRA
Intelligent Duct Smoke Sensor Housing with Auxiliary Relays