Welcome to Defender Canada! 
Deals
-
9% off
Fireboy Propane Fume Detector with 1 Sensor and Solenoid
$567.06 - $590.44$510.42 - $531.45 -
14% off
Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery
$199.14$169.36 -
9% offFireboy Propane Fume Detector with 2 Sensors and Solenoid
$809.44 - $819.66$728.56 - $737.76 -
14% off
Fireboy CMD6 Marine Carbon Monoxide Alarm
$204.98$174.32 -
9% off
Fireboy Propane Fume Detector with 1 Sensor
$475.08 - $486.76$427.63 - $438.15 -
19% offEldridge Tide and Pilot Book 2025 - 978-1-883465-31-5
$31.24$25.11 -
Maretron NMEA 2000 Tank Level Monitor - TLM100-01
$302.95 -
9% off
Fireboy Single Channel Propane Fume Detector with 1 Sensor
$463.40 - $475.08$417.12 - $427.63 -
Actisense NMEA 2000 Engine Monitoring Unit - EMU-1
$857.75 -
9% offFireboy Propane Fume Detector with 2 Sensors - Auto Shut-off - P-2BNV-R
$682.40$614.22 -
Maretron Pressure Transducer - PTS-0-1.5PSI-02
$398.67 -
9% offMTI Industries Safe-T-Alert FX-4 Marine Carbon Monoxide Alarm
$95.48 - $193.30$85.99 - $174.03 -
Maretron Fluid Pressure Monitor - FPM100-01
$558.16 -
14% off
Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery/Relay & Interconnect
$193.30$164.40 -
9% offFireboy Single Station Smoke Alarm - FG250RV
$38.54$34.75 -
9% off
Fireboy 1 Channel Gasoline Fume Detector
$450.26 - $463.40$405.30 - $417.12 -
Maretron Submersible Pressure Transducer
$455.52 - $598.38 -
Maretron J1939 to NMEA 2000 Gateway - J2K100-01
$466.62 -
Maretron Fuel Flow Monitor - FFM100-01
$524.87 -
9% offFireboy 2 Channel Gasoline Fume Detector with Blower Control
$819.64 - $841.54$737.74 - $757.45 -
9% off
Fireboy Propane/CNG Control with Solenoid Valve
$292.58 - $371.42$263.38 - $334.34 -
9% offFireboy Methane Fume Detector LED Display
$956.88 - $1,070.76$861.25 - $963.75 -
19% offMaptech Embassy Cruising Guide: New England Coast - 16th Edition - CGNEC-16
$72.12$57.82 -
9% offAqualarm Bilge High Water Level Alarm Detector - 208A - 20120
$48.76$43.95 -
9% off
MTI Industries Safe-T-Alert SA-340 Sealed Battery Carbon Monoxide Alarm
$105.70$95.19 -
9% off
Fireboy Propane Gas and Gasoline Sensor
$200.62 - $280.90$180.61 - $252.87 -
14% off
Fireboy CMD6 Marine Carbon Monoxide Alarm Interconnect
$221.04$187.97 -
9% offWeems & Plath The Ship's Log - 797
$51.68$46.57 -
Maretron Direct Current Relay Module - DCR100-01
$474.94 -
9% offMTI Industries Safe-T-Alert Photoelectric Smoke Alarm - SA-866
$35.62$32.12 -
9% off
MTI Industries Safe-T-Alert 62 Series Marine Carbon Monoxide Alarm
$120.30 - $159.72$108.33 - $143.81 -
9% off
Blue Sea Systems Mini OLED Temperature Monitor
$88.18 - $89.64$79.42 - $80.74 -
Maretron Exhaust Gas Temperature (EGT) Probe Sensor - TP-EGT-1
$210.02 -
Maretron Pressure Transducer - PT-0-5000PSI-01
$286.31 -
Maretron Tank Level Sender - TLM150-01
$347.33 -
9% offWeems & Plath The Cruising Log - 798
$51.68$46.57 -
Maretron Pressure Transducer - PT-V-0-1BAR-01
$284.92 -
Maretron TFT-5H-Focus Tube Kit - TFT-5H
$72.73 -
9% offFireboy 2-Channel Gasoline Fume Detector - G-2B-R
$772.92$695.69 -
9% offAqualarm Fire Alarm Kit
$156.82$141.19 -
Maretron DC Electrical Current Transducer with Cable - LEMHTA200-S
$140.67 -
Maretron Vessel Data Recorder - VDR100-01
$1,040.83 -
9% off
Fireboy 1 Channel Gasoline Fume Detector with Blower Control
$486.76 - $520.34$438.15 - $468.37 -
9% offWeems & Plath Maintenance Log - 804
$51.68$46.57 -
9% offCole Hersee Dual Alarm Combo - 4112-RC000-BX
$61.90$55.77 -
Maretron NMEA 2000 DC Monitor - DCM100-01
$655.27 -
9% off
MTI Industries Safe-T-Alert 65 Series Carbon Monoxide Alarm
$123.22 - $159.72$110.96 - $143.81 -
Maretron Run Indicator Module - RIM100-01
$402.81