Duct Smoke Detector AW-CSD313

Duct Smoke Detector Diameter of sampling tube shoule be around 1 in.
make 10-12 evenly spaced holes of around 5mm diameter each
holes must face the direction of air flow
be sure to seal the duct where the tube protrudes
comply with nfpa 72.90aand 101
Contact us: 09175060226 (Viber)
09175940206 (Viber)
09171275336 (Viber)
Email us: maximumbuilders.ph@gmail.com
maximumengineering2011@gmail.com
albertgregore26@gmail.com