Tank Monitors
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Veratron Marine NMEA 2000 Liquid Level Sensor - B00041501
$665.21 -
Veratron VDO Fresh Water Level Sender - 226-828-001-001K
$520.60 -
Dometic DTM04 TankWatch 4-Level Tank Monitor System
$470.42 -
Dometic Multi-Level Tank Monitor System
$458.23 -
Groco Tank Level Sensor Assembly - 450 ASSY
$448.78 -
Groco Tank Level Sensor - 08-0004-02
$439.33 -
Blue Sea Systems M2 OLED Digital Tank Monitor - 1839
$373.18 -
Veratron Waste Water Level Sensor with Sealing Kit #930
$348.07 - $665.21 -
LIST 3-Level Waste Tank Monitor - TM-332111
$320.55 -
14% off
LIST 3-Level Water Tank Monitor - TM-331111
$320.55$272.56 -
SCAD TM1 Tank Monitor with External Sensor Strip - 10040
$253.03 -
Veratron Fresh Water Level Sensor with Sealing Kit #370
$218.07 - $535.20 -
Veratron Fresh Water Level Sensor with Sealing Kit #930
$218.07 - $531.15 -
Dometic DTM01 Holding Tank Monitor - 313002311
$212.53 -
Vetus Universal Tank Float Sensor
$211.18 - $311.08 -
LIST Single-Level Waste Tank Alarm - 3/4 Alert - TM-132111
$207.15 -
SCAD TM2 Tank Monitor for Two Tanks - 10041
$205.78 -
Blue Sea Systems VSM 422 Vessel Systems Monitor Tank Sender
$154.48 - $155.83 -
Raritan Tank Sensor - Float Style - STCFL
$145.03 -
29% off
LIST Single-Level Water Tank Alarm - 1/4 Alert - TM-131111
$193.65$135.73 -
SCAD Technologies Internal Tank Sensor - 10021
$99.13 -
Raritan Tank Sensor - Stick-On Style - STCTSA
$93.73 -
Veratron Level Sensor Single Station with Seal Kit - 226-801-015-001G
$91.71 -
SCAD Technologies External Tape-On Tank Sensor - 10022
$82.93 -
Blue Sea Mini OLED Tank Meter
$64.03 - $65.38
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!