Single/Multiple Station Smoke/Carbon Monoxide Alarm, Universal Mount, Temporal 3 and Temporal 4 Audible Signal

The GN-503 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. Available in three models, the GN-503 Series is engineered to virtually eliminate nuisance alarms and deliver outstanding performance wherever reliable smoke and CO protection is required.

The GN-503 Series is provided with a 9V alkaline battery for electrical back-up in the event building power is lost. The battery impedance is verified and the alarm provides a low or missing battery warning. The battery drawer provides easy replacement without removing the unit from the wall or ceiling.

The GN-503 Series is designed with a self test feature that quickly notifies if the alarm is functioning properly or needs attention by simply pressing the test button. The functionality tests that the smoke/CO alarm is operating properly.

Features of the smoke alarm series include DUALINK tandem capabilities with Gentex tandem interconnect capable alarms products. The GN-503F features one (1) set of Form A/Form C contacts that activate for smoke and/or CO events. The GN503FF features two (2) sets of Form A/Form C contacts that activate independently for smoke and CO events. The GN-503 Series is listed in compliance with ANSI/UL 217 and ANSI/UL 2034 and arewarranted for one year from date of purchase.