Welcome to Defender Canada! 
Tank Monitors
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9% offDometic DTM04 TankWatch 4-Level Tank Monitor System
$574.49 - $591.53$517.11 - $532.45 -
9% offRaritan TankAssure Control Panel with Sensor - 15600
$893.14$803.89 -
9% offRaritan Tank Sensor - Stick-On Style - STCTSA
$107.74$97.03 -
9% offDometic DTM01 Holding Tank Monitor - 313002311
$244.51$220.12 -
9% offVetus Universal Tank Float Sensor
$248.74 - $365.77$236.34 - $347.51 -
9% offGroco Tank Level Sensor - 08-0004-02
$346.03$311.49 -
9% offVetus Ultrasonic Fluid Level Sensor
$281.17 - $295.27$265.81 - $267.14 -
9% offRaritan Tank Sensor Module Kit - 15101
$175.42$157.94 -
14% offLIST 3-Level Waste Tank Monitor - TM-332111
$337.59$287.05 -
9% offDometic Multi-Level Tank Monitor System
$542.02$487.88 -
9% off
Blue Sea Mini OLED Tank Meter
$73.90$66.57 -
9% offVetus Fuel Tank Float Sensor - FSENSOR
$83.77$75.46 -
14% offLIST 3-Level Water Tank Monitor - TM-331111
$337.59$287.05 -
9% offMaretron Tank Level Sender - TLM150-01
$415.12$373.67 -
14% offLIST Single-Level Waste Tank Alarm - 3/4 Alert - TM-132111
$219.15$186.36 -
39% offLIST Single-Level Water Tank Alarm - 1/4 Alert - TM-131111
$202.23$121.57
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!