Gentex Corp. S Series Smoke Alarm
Best high performance safety solution for safety conscious homeowners.
This hardwired detector prioritizes peace of mind by virtually eliminating the nuisance alarms that plague cheaper models. While it lacks smart-home connectivity, its rock-solid reliability and dual-power backup make it the dependable, no-nonsense choice for essential fire safety.
$119.95
at
Liberty Health Supply
Who it's for
- Homeowners seeking professional-grade fire protection for their families
- DIY enthusiasts looking for a straightforward and adaptable installation process
- Kitchen-adjacent residents tired of frequent and unnecessary alarm interruptions
Who should skip it
- Renters or owners without existing wiring who prefer battery-only setups
- Design-conscious homeowners looking for sleek or minimalist smart home devices
- Tech-savvy users wanting remote monitoring and mobile notifications
Performance breakdown
Reliability
Hardwired connection with battery backup ensures constant, fail-safe operation.
Alert Effectiveness
The 85 dBA horn and temporal pattern ensure immediate occupant awareness.
Maintenance Simplicity
Push-button testing makes routine safety checks quick and straightforward.
Detection Precision
Photoelectric technology effectively minimizes nuisance alarms from common cooking activities.
Installation Complexity
Hardwiring requires basic electrical knowledge, unlike simple battery-only alternatives.
Compliance Standards
UL listing meets rigorous safety codes for residential and commercial properties.
Key Specs
Power Source
120V AC with 9V battery backup
Detection Technology
Photoelectric
Alarm Sound Level
85 dBA
Alarm Tone
Temporal 3
Battery Type
9V
Certification
ANSI/UL 217
Smart Features
Self-Testing
Warranty Length
1.0 years
Alarm Type
Siren
Alert Type
Siren / Beep
Know before you buy
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