Proudly Canadian
Free Shipping on orders over $99*

Vessel Monitoring

74 Listed

  1. Airmar SmartBoat Advanced Vessel Management System Module (ASM-CES-T1) - ASM-CES-T1

    $1,445.00
    0

  2. Airmar SmartBoat Advanced Vessel Management System Module (ASM-CES-T2) - ASM-CES-T2

    $1,345.00
    0

  3. Airmar SmartBoat Advanced Vessel Management System Module (ASM-C-T2) - ASM-C-T2

    $1,145.00
    0

  4. Airmar SmartBoat Advanced Vessel Management System Module (ASM-C-T1) - ASM-C-T1

    $1,145.00
    0

  5. Airmar SmartBoat Advanced Vessel Management System Module (ASM-CES) - ASM-CES

    $945.00
    0

  6. Garmin OnDeck Hub - 010-02134-00

    $849.99

  7. Maretron Vessel Data Recorder - VDR100-01

    $729.99
    0

  8. Airmar SmartBoat Advanced Vessel Management System Module (ASM-C) - ASM-C

    $699.00
    0

  9. Actisense NMEA 2000 Engine Monitoring Unit - EMU-1

    $562.99
    1

  10. Maretron NMEA 2000 DC Monitor - DCM100-01

    $462.99
    0

  11. Maretron Submersible Pressure Transducer - PTS-0-5PSI-01

    $421.99
    0

  12. Victron Energy VE.Can Resistive Tank Sender Adapter - BPP900600100

    $413.95
    0

  13. Maretron NMEA 2000 AC Monitor - ACM100-01

    $404.99
    0

  14. Maretron Current Loop Monitor - CLM100-01

    $397.99
    0

  15. Maretron Fluid Pressure Monitor - FPM100-01

    $397.99
    0

  16. T-H Marine Loc-R-Bar Boat Security System - LB-LRBS113S

    $377.99
    0

  17. Maretron Fuel Flow Monitor - FFM100-01

    $374.99
    0

  18. Maretron J1939 to NMEA 2000 Gateway - J2K100-01

    $349.99
    0

  19. Maretron Switch Indicator Module - SIM100-01

    $344.99
    0

  20. Maretron Direct Current Relay Module - DCR100-01

    $338.99
    0

  21. Blue Sea Systems M2 OLED Digital Temperature Monitor - 1841

    $314.99
    0

  22. Maretron Submersible Pressure Transducer - PTS-0-1.5PSI-01

    $295.99
    0

  23. Maretron Temperature Module - TMP100-01

    $291.99
    5

  24. Maretron Indoor Relative Humidity and Temperature Sensor - IRHT-01

    $281.99
    0
  25. 15% off

    Oceanic Systems Deck-Mounted Water Gauge - 5250-W

    $324.99
    $275.88
    0
  26. 15% off

    Oceanic Systems Monitor

    $324.99
    $275.88
    0
  27. 10% off

    Maretron Run Indicator Module - RIM100-01

    $287.99
    $259.19
    0

  28. Maretron Tank Level NMEA 2000 Adapter - TLA100-01

    $252.99
    0

  29. Maretron High Temperature Smoke/Heat Detector Kit - SH-003

    $251.99
    0

  30. Fireboy Waterproof Horn & Strobe Light Kit - WPS-24V

    $248.99
    0

  31. Maretron Tank Level Sender - TLM150-01

    $247.99
    1
  32. 14% off

    Oceanic Systems Panel-Mounted Holding Tank Pumpout Gauge - 3350-HTPO

    $274.99
    $233.88
    0
  33. 14% off

    Oceanic Systems Panel-Mounted Fuel Transfer Gauge - 3350-FTC

    $274.99
    $233.88
    0
  34. 15% off

    Oceanic Systems Submersible Hydrostatic Sensor

    $273.75 - $324.99
    $232.88 - $275.88
    0
  35. 15% off

    Oceanic Systems 4-20mA Tank Level Adaptor - 4291

    $269.99
    $228.88
    0

  36. Maretron NMEA 2000 Tank Level Monitor - TLM100-01

    $215.99
    0
  37. 15% off

    Oceanic Systems NMEA2000 Volumetric Water Tank Volume/Level Sender

    $229.99 - $239.99
    $203.88 - $229.99
    0

  38. Maretron Pressure Transducer - PT-V-0-1BAR-01

    $202.99
    0
  39. 15% off

    Oceanic Systems Panel-Mounted Fuel Gauge - 3350-F

    $229.99
    $194.88
    0
  40. 10% off

    Maretron Gas Fume Detector - CO-CO1224T

    $186.99
    $168.29
    0

  41. Maretron Pressure Transducer

    $152.99 - $204.99
    0

  42. Maretron Exhaust Gas Temperature (EGT) Probe Sensor - TP-EGT-1

    $149.99
    0
  43.  
     

    Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery/Relay & Interconnect

    $148.99
    0

  44. T-H Marine 2-Way Boat Alarm System - TWA-1-DP

    $141.99
    0

  45. Fireboy External Fire Bell

    $128.99 - $160.99
    0

  46. Temo 450 Anti-Theft Handcuff Lock Device - T450 ANTI THEFT

    $108.99
    0

  47. Victron Energy GX Tank 140 System Monitoring - BPP920140100

    $106.99
    0
  48. 25% off

    Maretron Pressure Transducer - PT-0-5000PSI-01

    $141.99
    $106.49
    0
 
1 / 2Next

0Filters

Manufacturer
Price
1.07
1446
More Ways To Shop
Availability
Fulfillment

Explore

Guides
Brands

Helpful Information

Track My Order
Shipping Policy
Return Policy
Outlet Store
Defender 1st

Get In Touch

Customer Service
1-800-628-8225
Send a Message

Resources

Gift Cards
Privacy Policy
Conditions of Use
Accessibility Statement

Stay Connected

Members receive special perks, including offers and new releases, by subscribing to our monthly newsletter.

    • Ensuring that the email is valid...
    • This might take a few seconds.
    • Are you sure the email is typed correctly?
      Twitter
      Facebook
      Instagram
      YouTube
      Toggle desktop/mobile version
      2023 © Defender. All Rights Reserved.