NEW SIMPLEX 4098-9756 TrueAlarm Duct Sensor Housing 4- Wire 0631149
Duct applications typically call for 2.5%/ft or higher due to dilution. Catalog#: 0631149. Simplex 4100ES (IDNet). Simplex 4010ES (IDNet). Simplex 4100+ (MAPNET II). Any Simplex panel with MAPNET II or IDNet loop support.