The grey tank holds sink and shower water and the black tank holds the toilet waste.
Rv waste tank sensors.
Both tanks contain enough biological material to connect the sensors creating the inaccurate readings.
Here s why these sensors work in your rv s holding tank.
When water inside the tank hits the metal nub it completes the electrical circuit and turns on the colored lights located in your rv monitoring panel.
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Savvy rvers understand that solid waste shouldn t be allowed to go down your drain lines and end up in your gray tank.
This new improved product is the ultimate in detailed measurement and will measure 3 or 4 tanks up to 1 8.
Why your gray tank sensors aren t working correctly.
Before we get started on how to restore rv tank level monitors in your rv s gray tank let s briefly discuss what is happening to make them malfunction.
How it works.
The inventor of the horst miracle probes now has an even better invention.
Each system provides tank level information using a percentage of full readout.
The sensors are external and will not affect your readings by sewage buildup.
The waste tanks are more prone to sensor issues simply because of the nature of the materials contained than fresh water tanks so we will focus on those.