If your RV tank monitor readings change from 25% to empty in the blink of an eye, that's a problem. SeeLeveL sensors track 3 holding tanks with single-digit accuracy at the monitor. Also displays your propane level and battery voltage.

If your RV tank monitor readings change from 25% to empty in the blink of an eye, that's a problem. This monitor uses SeeLeveL sensors (sold separately) for single-digit accuracy. Also displays your propane level and features a water pump switch.

If your RV tank monitor readings change from 25% to empty in the blink of an eye, that's a problem. This monitor uses SeeLeveL sensors (sold separately) for single-digit accuracy. Also displays your propane level and battery voltage.

If your RV tank monitor readings change from 25% to empty in the blink of an eye, that's a problem. This monitor uses SeeLeveL sensors (sold separately) for single-digit accuracy. Also displays your propane level and battery voltage.

Monitor your fresh, gray, black, and propane tanks from this digital display or from your phone. Connects to a free app via Bluetooth so you can check the status from your service bay as you fill or empty your tanks.

Get advanced tank monitoring for your advanced RV. This monitor is compatible with multiplex, RV-C systems so you can get improved readings at your primary control panel. Accurately tracks 3 holding tanks using SeeLeveL sensors (sold separately).

Avoid running out of propane when you are on the road with the Truma LevelCheck propane tank sensor. Hand-held sensor determines the level in your LP tank using ultrasound technology. Works on steel and aluminum tanks 8" - 14" in diameter.