S220 GENTEX

Product Overview

The S Series Multi-Criteria Photoelectric Smoke Alarms are designed for evacuation signaling in residential and commercial dwellings, including homes, apartments, hospitals, hotels, and motels. Built to minimize nuisance alarms while delivering reliable fire detection, the series is offered in 120VAC and selected 220VAC models, all with 9V battery backup for power loss protection. Optional configurations include 135°F integral or isolated thermal sensing, rate-of-rise detection, and Form A/Form C dry contacts for remote annunciation. Listed to ANSI/UL 217, ANSI/UL 2034, and ANSI/UL 539, with a one-year warranty.

Key Features

• Multi-criteria photoelectric detection
• 120VAC and select 220VAC models
• 9V battery backup
• Optional 135°F fixed thermal (integral or isolated)
• Rate-of-rise thermal option
• Form A/Form C dry contacts for remote annunciation
• Reduced nuisance alarm design
• ANSI/UL 217, 2034, and 539 listed