Shopping from Canada? 
Go to Defender Canada!
Tank Monitors
-
Maretron NMEA 2000 Tank Level Monitor - TLM100-01
$262.99 -
LIST 3-Level Waste Tank Monitor - TM-332111
$238.99 -
Maretron Tank Level Sender - TLM150-01
$293.99 -
Maretron TFT-5H-Focus Tube Kit - TFT-5H
$63.99 -
Maretron SAE 5-Bolt Pattern Focus Tube - TFTDBE-5H
$84.99 -
LIST 3-Level Water Tank Monitor - TM-331111
$238.99 -
Maretron NMEA 2000 Tank Temperature Immersion Probe - TP-IP-1
$144.99 -
Maretron Tank Level NMEA 2000 Adapter - TLA100-01
$295.99 -
LIST Single-Level Waste Tank Alarm - 3/4 Alert - TM-132111
$154.99 -
40% off MSRPMSRP (Manufacturer's Suggested Retail Price)Set by the manufacturer and displayed for comparison purposes only.
LIST Single-Level Water Tank Alarm - 1/4 Alert - TM-131111
MSRP: $142.99$85.79
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!