Welcome to Defender Canada! 
Tank Monitors
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Raritan Holding Tank Monitor - 1510012
$708.98 -
Raritan Tank Sensor - Stick-On Style - STCTSA
$97.18 -
Raritan Tank Sensor Module Kit - 15101
$174.18 -
Raritan TankAssure Control Panel with Sensor - 15600
$825.21 -
Raritan Holding Tank Monitor Indicator Panel - 1520012
$379.98 -
Raritan Tank Sensor - Float Style - STCFL
$150.38 -
56% offOceanic Systems Deck-Mounted Water Gauge - 5250-W
$455.58$196.60 -
53% offOceanic Systems 4-20mA Tank Level Adaptor - 4291
$378.58$175.60 -
56% offOceanic Systems Submersible Hydrostatic Sensor
$455.58$196.60 -
Raritan Tank Monitor Indicator Panel Wire Harness - 152WH
$49.58 -
54% offOceanic Systems Panel-Mounted Holding Tank Pumpout Gauge - 3350-HTPO
$385.58$175.60 -
Raritan TankAssure Sensor Kit - 15610
$500.40 -
Raritan TankAssure NMEA2000 Adapter - 15630
$547.98
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!