Hey everyone!
We know that choosing the right tank monitor can feel overwhelming with all the different SeeLevel II models out there. That’s why we’ve put together a comprehensive SeeLevel II Comparison Guide to help you find exactly what you need.
Why Upgrade to SeeLevel?
If you’re still dealing with the factory tank monitor that came with your RV, you know the frustration. Those 1/3, 2/3, Full readings are practically useless, and the internal probes get fouled up with buildup causing false readings. The Garnet SeeLevel II system is different:
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Actually accurate — 0-100% digital readings in 1% increments (accurate to within 1/4 inch)
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No false readings — External sensors mount on the outside of your tank, so they can’t get fouled by buildup
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Zero maintenance — No probes to clean or replace, ever
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Easy install — Uses existing wiring and 3M adhesive mounting, no drilling into tanks
What’s in the Guide?
We’ve organized all the models by tank count so you can quickly find what fits your setup:
2-Tank Systems (pop-ups & small trailers) — 3 models starting at $199.98
3-Tank Systems (most common setup) — 10 models ranging from basic to Bluetooth and RV-C network compatible
4-Tank Systems (fifth wheels with galley tanks) — 2 models including the versatile BTP7
The guide includes a full comparison table showing which models have:
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Water pump switch
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Bluetooth connectivity
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RV-C / NMEA 2000 network integration
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LPG propane monitoring
Quick Recommendation
For most RVers, the 709-BTP7 is our top pick. It supports up to 7 tanks, includes Bluetooth so you can check levels from your phone, monitors LPG, and has an integrated pump switch — all for $249.96.
Interactive Selector Tool
Not sure which model is right for you? We also built an interactive selector tool that walks you through 3 quick questions and matches you to the perfect model in about 60 seconds.
Have questions about which SeeLevel model fits your rig? Drop them below and we’ll help you figure it out. And if you’ve already upgraded to a SeeLevel system, let us know how it’s working for you!