The Garnet 709-2P SeeLevel II Tank Monitoring System is designed for accurate level measurement of motorhomes and trailers with two holding tanks. This system monitors battery voltage, fresh and black water levels. The level in percent is shown on a three digit LED display.

Monitors battery voltage, fresh water tank and black water tank
Provides accurate tank level information using percentage of full readout
Tanks are monitored using Garnet’s proprietary external level sensing technology
- This ends fouling problems caused by debris build-up in the holding tank
- Detailed diagnostic information monitors sender operation
Measures tanks from 5" up to 34" depending on the sensors you specify
Tank senders connect to display via a common bus network topology which saves wiring costs
Uses common industry connector for ease of installation and servicing
Display requires 12 volts from the RV battery, the system will function from 11 volts to 16 volts
Current drain is less than 200mA
Panel Dimensions: 4" W x 2.8" H x 1" D
- Required Cutout Size: 3" W x 1.8" H
Includes: (1) Display monitor, (2) 9″ 710-AR tank senders, (1) pigtail and mounting screws
Limited 1 year manufacturer warranty
See our SeeLevel Tank Monitor Comparison Guide to help you choose the right system for your RV.

NOTE: This system will not work on metal tanks.
Note: Note: The 12" ES senders may be swapped out for 16″ 710SS tank senders or 6” 710JS senders for small tanks. If you need to exchange 1 or more senders, please add this in the order notes at check out or call 866-332-7881.

Garnet 709-2P SeeLevel II Tank Monitoring System