Welcome to Defender Canada! 
Detectors
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Siren Marine Wired Magnetic REED Switch - SM-ACC-REED
$25.41 -
Siren Marine PAM4 Wired DC Relay - SM-ACC-DCRE
$38.49 -
9% offFireboy Emergency Fume Detection Horn - RH-1
$47.83$43.11 -
Trident Marine 1300 LPG Propane Gas Detector Quick Connect Cable
$43.78 - $69.43 -
9% offFireboy Emergency Fume Detection Horn - RH-3
$49.20$44.34 -
14% offAqualarm Remote Fire Detector
$51.88 - $54.58$46.48 - $51.88 -
Siren Marine Wired Canvas Snap Cover Sensor - SM-ACC-SNAP
$52.53 -
9% off
Fireboy MS-2 to MS-3 Methane Gas Sensor Connector Cable - 10' Cable Extension
$62.68$56.47 -
Siren Marine Audible Alarm - SM-ACC-ALRM
$75.00 -
9% off
MTI Industries Safe-T-Alert 20 Series Propane Alarm
$85.63$77.13 -
9% offFireboy MS-3 Methane Gas Sensor Extension Cable
$86.98 - $244.95$78.34 - $220.51 -
Trident Marine 1300 LP Propane Gas Detector - 1300-7720
$80.23 -
9% off
MTI Industries Safe-T-Alert SA-340 Sealed Battery Carbon Monoxide Alarm
$89.68$80.77 -
9% off
MTI Industries Safe-T-Alert 30 Series Propane Alarm
$92.38 - $95.08$83.20 - $85.63 -
9% off
MTI Industries Safe-T-Alert SA-339 Sealed Battery Carbon Monoxide Alarm
$100.48 - $107.23$90.49 - $107.23 -
9% off
MTI Industries Safe-T-Alert 85 Series Dual Carbon Monoxide/Propane Alarm
$105.88 - $108.58$95.35 - $97.78 -
MTI Industries Safe-T-Alert 40 Series Propane Alarm
$97.78 - $115.33 -
9% off
MTI Industries Safe-T-Alert 62 Series Marine Carbon Monoxide Alarm
$111.28 - $147.73$100.21 - $147.73 -
9% offMTI Industries Safe-T-Alert FX-4 Marine Carbon Monoxide Alarm
$112.63 - $178.78$101.43 - $160.96 -
Trident Marine 1300 LPG Propane Gas Control System Replacement Panel - 1300-7703.1
$101.83 -
9% off
MTI Industries Safe-T-Alert 25 Series Dual Carbon Monoxide/Propane Alarm
$123.43 - $294.88$111.15 - $265.45 -
Skyhawk Oversea Battery Sensor - SHBTYG1
$111.28 -
Skyhawk Oversea Temperature/Humidity/Water Sensor - SHTHWG1
$111.28 -
Skyhawk Oversea Sound Sensor - SHSNDG1
$111.28 -
Skyhawk Oversea Passive Infrared Motion Sensor - SHPIRG1
$111.28 -
Skyhawk Oversea Entry Sensors (2-Pack) - SHREDG2
$111.28 -
9% off
MTI Industries Safe-T-Alert 45 Series Dual Carbon Monoxide/Propane Alarm
$123.43 - $154.48$123.43 - $139.09 -
9% off
MTI Industries Safe-T-Alert 35 Series Dual Carbon Monoxide/Propane Alarm
$147.73 - $278.68$133.02 - $250.87 -
Aqualarm Fire Alarm Kit
$145.05 -
14% off
Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery
$184.18$156.64 -
14% off
Fireboy CMD6 Marine Carbon Monoxide Alarm
$189.58$161.23 -
9% off
Fireboy Propane Gas and Gasoline Sensor
$185.55 - $259.78$167.05 - $233.86 -
14% off
Fireboy CMD6 Marine Carbon Monoxide Alarm Interconnect
$204.43$173.86 -
Siren Marine Wired Infrared Motion Sensor - SM-ACC-INFR
$183.10 -
Siren Marine Wireless Entry Sensor for Siren 3 - SM-WLS3-ENTR-917
$188.37 -
Siren Marine Wireless Temperature Sensor for Siren 3 - SM-WLS3-TEMP-917
$188.37 -
9% off
Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery/Relay & Interconnect
$211.18$190.12 -
TALOS Compact Lightning Detector - SFD-300-HG
$190.95 -
Siren Marine Wired Micro ePIR Motion Sensor - SM-ACC-EPIR
$197.14 -
19% offMaretron Gas Fume Detector - CO-CO1224T
$253.03$202.54 -
TALOS SFD-1000 Series Lightning Detector
$223.33 - $236.85 -
9% off
Fireboy Methane Gas Sensor
$248.98 - $343.48$224.14 - $309.19 -
14% offMTI Industries In Dash Gasoline Fume Detector - MGD-1
$273.28$232.38 -
9% off
Fireboy Propane/CNG Control with Solenoid Valve
$270.58 - $343.48$243.58 - $309.19 -
MTI Industries Safe-T-Alert Marine Gas Fume/Fire/Bilge Water Alarm - MGD-1XL
$244.93 -
Trident Marine 1300 LPG Propane Gas Control System - 1300-7705.3-KIT
$274.63 -
9% offFireboy 2-Sensor Methane Gas Detection Sensor Splitter with Boots - SPLITTER01-D
$334.03$300.69 -
Trident Marine 2 Zone LP Gas Control & Detection System
$302.98 - $438.00