Simplex 4904-9137 Visible Strobe Wall Mount Red Fire Alarm 02/02 Provide multiplex technology that combines

Provide multiplex technology that combines zone or point supervision with individual device addressing on one pair of wires

All boxes are shipped complete with a molded neoprene gasket

The SVA(s) open the cylinder valve(s)

they include a variety of features that increase their application versatility while simplifying installation

A text message then indicates whether or not cleaning is recommended

Simplex 4904-9137 Visible Strobe Wall Mount Red Fire Alarm 02/02 Provide multiplex technology that combinesSimplex 4904 9137 Visible Strobe. Simplex 4904 series visible notification appliances may be either horizontally or vertically wall mounted, or ceiling mounted, because a compound, multi surface reflector is used to provide symmetrical light output in key axis directions. 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.