Welcome to Defender Canada! 
Tank Monitors
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SCAD TM1 Tank Monitor with External Sensor Strip - 10040
$254.50 -
SCAD TM2 Tank Monitor for Two Tanks - 10041
$203.44 -
Maretron NMEA 2000 Tank Level Monitor - TLM100-01
$338.68 -
SCAD Technologies External Tape-On Tank Sensor - 10022
$84.76 -
Dometic DTM04 TankWatch 4-Level Tank Monitor System
$530.54 -
Groco Tank Level Sensor - 08-0004-02
$342.82 -
Maretron Tank Level NMEA 2000 Adapter - TLA100-01
$380.08 -
Veratron VDO Fresh Water Level Sender - 226-828-001-001K
$741.45 -
Blue Sea Systems M2 OLED Digital Tank Monitor - 1839
$381.46 -
Dometic DTM01 Holding Tank Monitor - 313002311
$226.90 -
Dometic Multi-Level Tank Monitor System
$500.14 -
LIST 3-Level Waste Tank Monitor - TM-332111
$330.42 -
SCAD Technologies Internal Tank Sensor - 10021
$102.70 -
Maretron TFT-5H-Focus Tube Kit - TFT-5H
$83.40 -
Raritan Tank Sensor - Stick-On Style - STCTSA
$105.46 -
Vetus Universal Tank Float Sensor
$215.86 - $317.98 -
Veratron Level Sensor Single Station with Seal Kit - 226-801-015-001G
$130.39 -
Raritan Holding Tank Monitor - 1510012
$698.86 -
Blue Sea Mini OLED Tank Meter
$72.34 -
Victron Energy GX Tank 140 System Monitoring - BPP920140100
$136.69 -
Raritan Holding Tank Monitor Indicator Panel - 1520012
$374.56 -
LIST 3-Level Water Tank Monitor - TM-331111
$330.42 -
Raritan Tank Sensor Module Kit - 15101
$171.70 -
SCAD Technologies Adapter Plate - 10029
$53.02 -
Maretron Tank Level Sender - TLM150-01
$380.08 -
Raritan Tank Sensor - Float Style - STCFL
$146.86 -
Veratron Fresh Water Level Sensor with Sealing Kit #370
$310.48 - $762.20 -
64% offOceanic Systems 4-20mA Tank Level Adaptor - 4291
$373.18$131.01 -
LIST Single-Level Waste Tank Alarm - 3/4 Alert - TM-132111
$214.50 -
Veratron OceanLink Fresh Water Gauge - 52 mm (2 1/16")
$124.80 -
Veratron Fresh Water Level Sensor with Sealing Kit #930
$310.48 - $749.94 -
56% offOceanic Systems Deck-Mounted Water Gauge - 5250-W
$449.08$193.80 -
Maretron NMEA 2000 Tank Temperature Immersion Probe - TP-IP-1
$200.68 -
Maretron SAE 5-Bolt Pattern Focus Tube - TFTDBE-5H
$117.90 -
Vetus Fuel Tank Float Sensor - FSENSOR
$72.34 -
Vetus Ultrasonic Fluid Level Sensor
$243.46 - $254.50 -
Faria Euro Black Potable Water Tank Level Gauge - 12831
$43.38 -
Veratron Marine NMEA 2000 Liquid Level Sensor - B00041501
$1,148.76 -
Veratron Waste Water Level Sensor with Sealing Kit #930
$495.66 - $947.39 -
Victron Energy VE.Can Resistive Tank Sender Adapter - BPP900600100
$458.09 -
39% offLIST Single-Level Water Tank Alarm - 1/4 Alert - TM-131111
$197.94$119.00 -
Groco Tank Level Sensor Assembly - 450 ASSY
$447.70 -
Groco Full Color Touchscreen LCD Monitor - 5" - LCD-5
$2,230.68 -
Raritan TankAssure Control Panel with Sensor - 15600
$813.43 -
Raritan TankAssure Sensor Kit - 15610
$493.26 -
Raritan TankAssure NMEA2000 Adapter - 15630
$540.16 -
Raritan Tank Monitor Indicator Panel Wire Harness - 152WH
$48.88
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!