Simplex 4904-9178 Visible Notification Appliance Wall-Mount SF 22/01 Models are available for surface

Models are available for surface mounting to Wheelock weatherproof backboxes on walls or ceilings

The wiegand output can send 3 different event data

high quality Photoelectric Smoke Detectors

Additional Replacement Duct Detector Boards (565-925) sold separately

without overloading the main panel

Simplex 4904-9178 Visible Notification Appliance Wall-Mount SF 22/01 Models are available for surfaceSimplex 4904 Series wall mount visible notification appliances provide symmetrical light output in key axis directions by utilizing a compound, multi surface reflector. The lens assembly fits securely into its housing, providing a high integrity notification appliance that is impact and vandal resistant and suitable for a variety of applications.