[{"id":465271849216,"handle":"all","title":"All Products","updated_at":"2026-07-02T07:54:28-04:00","body_html":"","published_at":"2025-11-13T06:21:51-05:00","sort_order":"best-selling","template_suffix":"all-products","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0.00"},{"column":"variant_price","relation":"less_than","condition":"4600.00"}],"published_scope":"global"},{"id":418011218176,"handle":"best-selling-collection","title":"Best selling products","updated_at":"2026-07-02T07:54:28-04:00","body_html":null,"published_at":"2024-04-24T09:08:18-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":431287468288,"handle":"boat-show-special","title":"Boat Show Special","updated_at":"2026-07-02T07:54:28-04:00","body_html":"","published_at":"2024-10-10T11:02:10-04:00","sort_order":"manual","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"not_equals","condition":"Rainman Watermakers"},{"column":"vendor","relation":"not_equals","condition":"Epoch Batteries"}],"published_scope":"global"},{"id":387871932672,"handle":"marine-plumbing-ventilation","title":"Marine Plumbing \u0026 Ventilation","updated_at":"2026-07-02T08:10:08-04:00","body_html":null,"published_at":"2022-01-27T16:43:35-05:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Marine Plumbing \u0026 Ventilation"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"global"},{"id":418684698880,"handle":"marine-plumbing-ventilation-1","title":"Marine Plumbing \u0026 Ventilation","updated_at":"2026-07-02T08:10:08-04:00","body_html":null,"published_at":"2024-05-02T19:03:24-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Marine Plumbing \u0026 Ventilation"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":387871965440,"handle":"marine-plumbing-ventilation-monitoring-system","title":"Marine Plumbing \u0026 Ventilation - Monitoring System","updated_at":"2026-06-25T13:34:52-04:00","body_html":null,"published_at":"2022-01-27T16:43:36-05:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Marine Plumbing \u0026 Ventilation | Monitoring System"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"global"},{"id":418700394752,"handle":"marine-plumbing-ventilation-monitoring-system-1","title":"Marine Plumbing \u0026 Ventilation - Monitoring System","updated_at":"2026-06-25T13:34:53-04:00","body_html":null,"published_at":"2024-05-03T03:03:11-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Marine Plumbing \u0026 Ventilation | Monitoring System"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":418011185408,"handle":"new-collection","title":"New products","updated_at":"2026-07-02T07:54:28-04:00","body_html":null,"published_at":"2024-04-24T09:08:17-04:00","sort_order":"created-desc","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"}]
["Brand_Mopeka","Marine Plumbing \u0026 Ventilation","Marine Plumbing \u0026 Ventilation | Monitoring System"]
Skip to content
Use this bar to show information about your cookie policy.
TD40 BLE - LR 4' to 18' Tall - Work with All Non-Pressurized Fluids
Sonar Tank Monitoring Solutions are the most reliable and accurate way to measure Propane, Butane, LPG, water, beverages, and other liquid volumes in both pressurized and non-pressurized tanks. The TD40 can work on tanks up to 16′ high and communicate via BLE (Long Range Bluetooth)
*Installation will require a threaded 2″ port, or you must cut a hole 2″ (50.8mm) in diameter in the top of the tank at the chosen location.
Features:
The sensors work on Boosted Bluetooth.
The average sensor’s battery life is 5 years*, so you don’t need to worry about continually changing the battery, and they’re replaceable.
The latest in cloud-based software with our partner Amazon Web Services.
The sensors are so accurate that they can read down to a .01 of an inch.
The TD40 sensor is classified Class 1 Div 1
Easily select the liquid commodity you are measuring from the dropdown list in the “Tank Check” or “Co-Pilot” App
3-Year Warranty from the original date of purchase by the customer