Gentex GN-503F 12/03 The robust construction not only

The robust construction not only offers high strength but also ensures durability over time

Automatic device mapping

decimal address switches

405 Series strobes are specially designed for use with compatible life safety communication and control equipment to alert the hearing impaired of a life safety event

Gentex GN-503F 12/03 The robust construction not onlyThe GN 503 (120VAC 9VDC) Series of combination photoelectric smoke and electrochemical sensor carbon monoxide alarms are for use as evacuation devices in all dwelling units, including but not limited to homes, apartments, hospitals, hotels, motels and other commercial occupancies. The GN 503 Series is listed in compliance with ANSI UL 217, ANSI UL 2034, for installation per NFPA 720 and NFPA 72. Available in three models, the GN 503 Series is