Gentex SR Smoke Alarm
Best high end safety solution for homeowners seeking professional grade reliability.
This hardwired detector bridges the gap between residential safety and commercial-grade reliability. While it lacks the smart-home connectivity of modern competitors, its robust relay integration and battery backup offer a dependable, no-nonsense solution for those who prioritize consistent, fail-safe performance over app-based notifications.
$78.65
at
Jmac
Who it's for
- Hearing-impaired residents requiring reliable visual notification during emergencies
- Homeowners seeking accurate detection with fewer false alarm interruptions
- Safety-conscious buyers looking for professional-grade fire protection hardware
Who should skip it
- Renters or DIYers looking for a quick battery-only solution
- Budget-conscious shoppers seeking basic fire protection at lower costs
- Design-focused homeowners prioritizing a discreet or low-profile safety device
Performance breakdown
Installation Simplicity
Quick-disconnect harness makes mounting straightforward for standard junction boxes.
System Integration
Form A and C relay contacts allow seamless connection to external systems.
Alert Effectiveness
Standard 85 dBA output ensures reliable audibility in residential and commercial spaces.
Power Reliability
Hardwired primary power with battery backup provides essential redundancy during outages.
Build Integrity
Included dust cover protects sensitive internal components during the construction phase.
Operational Versatility
Engineered to perform consistently across both residential and commercial environments.
Key Specs
Detection Technology
Photoelectric
Power Source
120VAC, 60 Hz Hardwired with Battery Backup
Battery Type
9V alkaline
Alarm Loudness
85 dBA at 10 feet
Dimensions
5.5 inches x 5.5 inches x 1.75 inches
Operating Temperature Range
40°F to 100°F
Relay Contacts
One Form A and one Form C (0.5 amps)
Connectivity Type
Standalone
Interconnectivity Type
None
Mounting Type
Ceiling Mount
Know before you buy
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