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
$574.49 - $591.53 -
SCAD TM2 Tank Monitor for Two Tanks - 10041
$213.49 -
Maretron NMEA 2000 Tank Level Monitor - TLM100-01
$371.41 -
Vetus Universal Tank Float Sensor
$248.74 - $365.77 -
Blue Sea Systems M2 OLED Digital Tank Monitor - 1839
$389.74 -
Dometic DTM01 Holding Tank Monitor - 313002311
$244.51 -
Raritan Tank Sensor - Stick-On Style - STCTSA
$107.74 -
Veratron Fresh Water Level Sensor with Sealing Kit #370
$317.21 - $778.76 -
Dometic Multi-Level Tank Monitor System
$542.02 -
LIST 3-Level Waste Tank Monitor - TM-332111
$337.59 -
Veratron Level Sensor Single Station with Seal Kit - 226-801-015-001G
$133.21 -
Groco Tank Level Sensor - 08-0004-02
$346.03 -
Maretron Tank Level NMEA 2000 Adapter - TLA100-01
$417.94 -
Veratron Waste Water Level Sensor with Sealing Kit #930
$506.42 - $967.98 -
SCAD Technologies Internal Tank Sensor - 10021
$147.22 -
Raritan Tank Sensor Module Kit - 15101
$175.42 -
Thetford Tecma Field-Effect Tank Sensor
$189.47 -
Blue Sea Mini OLED Tank Meter
$73.90 -
Maretron SAE 5-Bolt Pattern Focus Tube - TFTDBE-5H
$120.45 -
Veratron VDO Fresh Water Level Sender - 226-828-001-001K
$757.56 -
Vetus Ultrasonic Fluid Level Sensor
$281.17 - $295.27 -
Victron Energy GX Tank 140 System Monitoring - BPP920140100
$139.64 -
Raritan Tank Sensor - Float Style - STCFL
$155.68 -
LIST 3-Level Water Tank Monitor - TM-331111
$337.59 -
9% offMaretron Tank Level Sender - TLM150-01
$415.12$373.67 -
Vetus Fuel Tank Float Sensor - FSENSOR
$83.77 -
LIST Single-Level Waste Tank Alarm - 3/4 Alert - TM-132111
$219.15 -
SCAD Technologies External Tape-On Tank Sensor - 10022
$110.56 -
Raritan Holding Tank Monitor Indicator Panel - 1520012
$382.69 -
66% offOceanic Systems Deck-Mounted Water Gauge - 5250-W
$458.83$152.17 -
Maretron NMEA 2000 Tank Temperature Immersion Probe - TP-IP-1
$205.03 -
44% offLIST Single-Level Water Tank Alarm - 1/4 Alert - TM-131111
$202.23$111.49 -
Raritan TankAssure Control Panel with Sensor - 15600
$893.14 -
Raritan TankAssure Sensor Kit - 15610
$551.91 -
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!