Combination Detectors
Combination detectors pair smoke and carbon monoxide (CO) sensing in a single, space-saving unit to protect homes and buildings. Ideal for property managers, contractors, and facility teams, these devices simplify installation and maintenance while delivering reliable life-safety alerts. Choose from hardwired, battery-powered, and smart-connected models with interconnect capability, UL-listed certification, and battery backup to meet safety codes and reduce risk.
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Fire-Lite Alarms by Honeywell
Fire-Lite AD365 Addressable Multi-Criteria Photoelectric, Thermal and Infrared Smoke Detector, LiteSpeed, White
AD365
In Stock
$147.89
Fire-Lite Alarms by Honeywell
Fire-Lite OSE-SPW Standard Power Emitter, Wired
OSE-SPW
In Stock
$455.51
Fire-Lite Alarms by Honeywell
Fire-Lite SD365CO Addressable Combination Fire and Carbon Monoxide (CO) Detector, LiteSpeed, White
SD365CO
In Stock
$268.58
Fire-Lite Alarms by Honeywell
Fire-Lite SD365T Addressable Photoelectric Smoke Detector with Built-in 135°F (57°C) Fixed-Temperature Thermal Device, LiteSpeed Only, White
SD365T
In Stock
$131.27
Fire-Lite Alarms by Honeywell
Fire-Lite SD365T-IV Addressable Photoelectric Smoke Detector with Built-in 135°F (57°C) Fixed-Temperature Thermal Device, LiteSpeed and CLIP, Ivory
SD365T-IV
In Stock
$269.60
GENTEX
Gentex 917-0071-002 S Series Multi-Criteria Smoke Alarm with Relay, 120VAC
917-0071-002
In Stock
$81.55
GENTEX
Gentex 917-0072-002 S Series Multi-Criteria Smoke Detector with Heat Alarm and Relay, 120VAC
917-0072-002
In Stock
$103.90
GENTEX
Gentex 917-0073-002 S Series Multi-Criteria Smoke Alarm with Isolated Thermal, 2-Relays, 120VAC, 9V Battery Backup
917-0073-002
In Stock
$103.64
GENTEX
Gentex 917-0076-002 S Series Multi-Criteria Smoke Alarm with Relay, 220VAC
917-0076-002
In Stock
$82.34
GENTEX
Gentex 918-0022-002 S Series 120VAC Photoelectric Smoke Alarm with 9V Battery Backup, White
918-0022-002
In Stock
$164.72
GENTEX
Gentex 918-0031-002 SC Series Multi-Criteria Smoke And Carbon Monoxide Alarm, 120VAC, 9V Battery Backup
918-0031-002
In Stock
$89.11
Google
Google Nest Protect Wireless Smoke and Carbon Monoxide Alarm, 2nd Gen (S3004PWBUS)
S3004PWBUS
In Stock
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