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1- Smoke Alarm Features: Standard UL217 compliant
2- Dialer Compatibility: 1800

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Gentex GN-503F Hard Wired Combo Smoke & CO Alarm w/ Battery Backup

Item#: GN-503F

This combination smoke and carbon monoxide alarm is hard wired with battery backup for reliable notification in homes, apartments, hospitals, hotels, motels and other commercial properties. This is a photoelectric single station smoke alarm with electrochemical sensor carbon monoxide alarm.

$89.99

Availability:Usually ships in 1 to 3 business days.

Gentex GN-503FF Combination Photoelectric Smoke / CO Alarm w/ two Relays and Battery Backup

Item#: GN-503FF

The GN-503FF is a combination photoelectric smoke and electrochemical sensor carbon monoxide alarm with battery backup for reliable notification in homes, apartments, hospitals, hotels, motels and other commercial properties. This unit features two alarm contacts that activate independently for smoke and CO events.

$99.99

Availability:In Stock. Order by 2pm EST for same-business-day shipping.