SeeLevel RV Tank Monitor Review (2026): Is It Worth the Upgrade?
TL;DR The SeeLevel II tank monitor swaps factory probe sensors for external strips that read levels through the tank wall, avoiding the direct fouling that causes most false full readings. Accuracy can still be affected by installation, tank shape, grounding, and nearby metal. At publication, Garnet lists a 709-BTP7 system with three senders at about … Read more