Datasheet for the System Sensor 2451 Duct Smoke Detector, published in 2004. Document No: A05-0952-001, Rev: 1/04. Product features and technical specifications.
Datasheet for the System Sensor 2451 Duct Smoke Detector, published in 2004. Document No: A05-0952-001, Rev: 1/04. Product features and technical specifications.
