Welcome to Defender Canada! 
Tank Monitors
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SCAD TM1 Tank Monitor with External Sensor Strip - 10040
$289.63 -
Dometic DTM04 TankWatch 4-Level Tank Monitor System
$597.05 - $614.09 -
SCAD TM2 Tank Monitor for Two Tanks - 10041
$213.49 -
Maretron NMEA 2000 Tank Level Monitor - TLM100-01
$371.41 -
Raritan TankAssure Control Panel with Sensor - 15600
$893.14 -
SCAD Technologies External Tape-On Tank Sensor - 10022
$110.56 -
Dometic DTM01 Holding Tank Monitor - 9108688891
$254.38 -
Groco Tank Level Sensor - 08-0004-02
$346.03 -
SCAD Technologies Internal Tank Sensor - 10021
$147.22 -
Dometic Multi-Level Tank Monitor System
$563.17 -
Raritan Tank Sensor - Stick-On Style - STCTSA
$107.74 -
Raritan TankAssure Sensor Kit - 15610
$551.91 -
Maretron TFT-5H-Focus Tube Kit - TFT-5H
$90.84 -
LIST 3-Level Waste Tank Monitor - TM-332111
$337.59 -
Vetus Universal Tank Float Sensor
$248.74 - $365.77 -
Veratron Fresh Water Level Sensor with Sealing Kit #370
$317.21 - $570.01 -
Vetus Ultrasonic Fluid Level Sensor
$281.17 - $295.27 -
Raritan Tank Sensor - Float Style - STCFL
$155.68 -
Thetford Tecma Field-Effect Tank Sensor
$189.47 -
Maretron SAE 5-Bolt Pattern Focus Tube - TFTDBE-5H
$120.45 -
Veratron VDO Fresh Water Level Sender - 226-828-001-001K
$757.56 -
Victron Energy GX Tank 140 System Monitoring - BPP920140100
$139.64 -
Veratron Level Sensor Single Station with Seal Kit - 226-801-015-001G
$133.21 -
Blue Sea Mini OLED Tank Meter
$73.90 -
Raritan Tank Sensor Module Kit - 15101
$175.42 -
SCAD Technologies Adapter Plate - 10029
$54.16 -
LIST 3-Level Water Tank Monitor - TM-331111
$337.59 -
Raritan Holding Tank Monitor Indicator Panel - 1520012
$382.69 -
Vetus Fuel Tank Float Sensor - FSENSOR
$83.77 -
Veratron OceanLink Fresh Water Gauge - 52 mm (2 1/16")
$127.50 -
Veratron Waste Water Level Sensor with Sealing Kit #930
$506.42 -
Maretron NMEA 2000 Tank Temperature Immersion Probe - TP-IP-1
$205.03 -
Maretron Tank Level NMEA 2000 Adapter - TLA100-01
$417.94 -
Maretron Tank Level Sender - TLM150-01
$415.12 -
Blue Sea Systems M2 OLED Digital Tank Monitor - 1839
$389.74 -
Victron Energy VE.Can Resistive Tank Sender Adapter - BPP900600100
$468.03 -
Groco Full Color Touchscreen LCD Monitor - 5" - LCD-5
$2,279.16 -
Faria Euro Black Potable Water Tank Level Gauge - 12831
$44.31 -
LIST Single-Level Waste Tank Alarm - 3/4 Alert - TM-132111
$219.15 -
39% offLIST Single-Level Water Tank Alarm - 1/4 Alert - TM-131111
$202.23$121.57 -
Groco Tank Level Sensor Assembly - 450 ASSY
$451.78 -
Raritan TankAssure NMEA2000 Adapter - 15630
$498.31 -
Raritan Tank Monitor Indicator Panel Wire Harness - 152WH
$49.93
About Tank Monitors
Tank Monitors
Monitoring water tank levels can be tricky and gauges are essential on boats. Some tanks must stay full while other tanks need to be bled as the gauge creeps up. A wide variety of single level gauges available at Defender are designed to monitor water tank levels in individual tanks. LED panel marine tank monitor systems and sensors do the same thing in multiples. Monitors basically offer one base for keeping an eye on all your tanks at the flip of a switch - even at night!