Welcome to Defender Canada! 
Monitors & Meters
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Aqualarm Wet Exhaust Overheat Alarm Kit
$70.58 - $109.78 -
Maretron Direct Current Relay Module - DCR100-01
$498.98 -
Aqualarm Save Your Engine Kit
$115.38 -
Maretron NMEA 2000 DC Monitor - DCM100-01
$693.60 -
Maretron DC Electrical Current Transducer with Cable - LEMHTA200-S
$150.38 -
Maretron Ring/Under Bolt Temperature Probe Sensor - TR3K
$46.78 -
9% offAqualarm Barbed Water Flow Detector
$106.98 - $115.40$96.34 - $106.98 -
Maretron AC Electrical Current Transducer with Cable - M000630
$105.58 -
Aqualarm Engine Overheat Detector - 212A - 20118
$35.58 -
9% offMaretron Battery Voltage Sense/Power Cable - FC01
$53.78$48.46 -
Aqualarm Cooling Water Flow Detector - 13209
$105.58 -
Aqualarm Low Battery Monitor with Detector - 20291
$73.38 -
Maretron Current Loop Monitor - CLM100-01
$602.58 -
9% offMaretron NMEA 2000 AC Monitor - ACM100-01
$543.78$489.46 -
Siren Marine Wireless Battery Sensor for Siren 3 - SM-WLS3-BATT-917
$195.32