Holding Tank Sensor System Needed For An RV
Updated 11/03/2025 | Published 01/12/2025
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Question:
Need 3 selanland level sensor for my holding tank
asked by: Miguel
Expert Reply:
Hi Miguel,
Are you saying you're looking for a SeeLevel RV Holding Tank Monitoring System like the # SE39VR? If so, you'll want to measure the height of your tanks to ensure the 12" sensor strips are the right size or if you'd be better off switching to the 9" strips. You'll also wan to determine how many sensors are needed/what functions you want the monitor to have.
For example, the # SE39VR can monitor up to three tanks (fresh, grey, black) and has a switch for the water pump to turn it off and on. Let me know what you were thinking and we can figure out which kit would be the best for your setup.
Product Page this Question was Asked From
Replacement Sensor for Dometic RV Holding Tank Monitoring System - 1/2" Grommet - 24" Wire
- Accessories and Parts
- RV Toilet
- Tank Full Float
- Dometic
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Jon G.
11/3/2025
Hi Miguel, how did things go with the SeeLevel monitoring system for your holding tanks? Were the 12-inch sensor strips the right fit, or did you end up going with the 9-inch ones? Your update could make it easier for the next person setting up their tank sensors.