The Holding Tank (freshwater and waste water) Monitors are a “Push to Read” system with 6 blue LEDs illuminating when fluid is present.
The systems are specifically designed for their specific use in freshwater or waste water conditions and should not be interchanged.
Click on the Waste Water Monitor or Freshwater Monitor page for more information. The Product Video and Virtual Boat Show videos also provide a detailed overview on how the systems function.
Electrosense Inc. manufactures the most advanced, yet affordable Holding Tank (Freshwater and Waste water) Monitors. The Vigilance line of Holding Tank Monitors (Freshwater and Waste Water) is designed for marine and RV use.
Our systems use no moving parts and very little power. Each sender unit is custom-
Most systems on the market use float switches, which eventually break; or they use "stick-
Water and Holding Tank Monitor Systems