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 -
Maretron NMEA 2000 Tank Level Monitor - TLM100-01
$371.41 -
Dometic DTM01 Holding Tank Monitor - 313002311
$244.51 -
SCAD TM2 Tank Monitor for Two Tanks - 10041
$213.49 -
Blue Sea Systems M2 OLED Digital Tank Monitor - 1839
$389.74 -
Vetus Universal Tank Float Sensor
$248.74 - $365.77 -
Raritan Tank Sensor - Stick-On Style - STCTSA
$107.74 -
Dometic Multi-Level Tank Monitor System
$542.02 -
Veratron Level Sensor Single Station with Seal Kit - 226-801-015-001G
$133.21 -
Veratron Waste Water Level Sensor with Sealing Kit #930
$506.42 - $967.98 -
Maretron Tank Level NMEA 2000 Adapter - TLA100-01
$417.94 -
Groco Tank Level Sensor - 08-0004-02
$346.03 -
Veratron Fresh Water Level Sensor with Sealing Kit #370
$317.21 - $778.76 -
LIST 3-Level Waste Tank Monitor - TM-332111
$337.59 -
Raritan Tank Sensor Module Kit - 15101
$175.42 -
SCAD Technologies Internal Tank Sensor - 10021
$147.22 -
Blue Sea Mini OLED Tank Meter
$73.90 -
Maretron TFT-5H-Focus Tube Kit - TFT-5H
$90.84 -
Veratron VDO Fresh Water Level Sender - 226-828-001-001K
$757.56 -
Maretron SAE 5-Bolt Pattern Focus Tube - TFTDBE-5H
$120.45 -
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 -
SCAD Technologies External Tape-On Tank Sensor - 10022
$110.56 -
LIST Single-Level Waste Tank Alarm - 3/4 Alert - TM-132111
$219.15 -
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 -
SCAD Technologies Adapter Plate - 10029
$54.16 -
Raritan Holding Tank Monitor - 1510012
$714.04 -
Thetford Tecma Field-Effect Tank Sensor
$189.47 -
Veratron Marine NMEA 2000 Liquid Level Sensor - B00041501
$1,173.72 -
Veratron Fresh Water Level Sensor with Sealing Kit #930
$317.21 - $766.23 -
Victron Energy VE.Can Resistive Tank Sender Adapter - BPP900600100
$468.03 -
Faria Euro Black Potable Water Tank Level Gauge - 12831
$44.31 -
Groco Full Color Touchscreen LCD Monitor - 5" - LCD-5
$2,279.16 -
44% offLIST Single-Level Water Tank Alarm - 1/4 Alert - TM-131111
$202.23$111.49 -
Maretron NMEA 2000 Tank Temperature Immersion Probe - TP-IP-1
$205.03 -
Groco Tank Level Sensor Assembly - 450 ASSY
$451.78 -
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!