Description
- Description
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 TD200 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
Refund Policy
Return Policy – Marine Tech Supplies
Effective Date: January 9, 2026
At Marine Tech Supplies, we want you to be satisfied with your purchase. Please review our return policy below.
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Return Window
All return requests must be made within 14 days of the delivery date.
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Return Eligibility
To be eligible for a return:
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Item must be unused and in original condition
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Item must be in original packaging
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All accessories, manuals, and parts must be included
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Proof of purchase is required
Items that are damaged due to misuse, installation error, or negligence are not eligible for return.
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Non-Returnable Items
The following items cannot be returned:
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Special order or custom products
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Clearance or final sale items
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Installed or used items
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Electrical components once opened
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Items returned without approval
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Return Authorization (RMA Required)
All returns require a Return Authorization (RMA).
Returns sent without approval will be rejected.
To request an RMA, contact via About section
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Return Shipping
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Customer is responsible for return shipping costs unless the error was ours
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Items must be shipped with tracking and insurance
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We are not responsible for lost or damaged return shipments
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Restocking Fee
A 15% restocking fee may apply to all approved returns.
Shipping charges are non-refundable.
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Refund Process
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Refunds are issued after inspection and approval
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Refunds are processed back to the original payment method
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Allow 5–10 business days for refunds to appear after approval
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Damaged or Incorrect Items
If your item arrives damaged or incorrect:
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Report within 48 hours of delivery
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Provide photos and order details
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We will arrange a replacement or refund at no cost
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Refused Deliveries
Refused shipments are treated as returns and may be subject to:
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Return shipping fees
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Original shipping fees
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Restocking fee
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Chargebacks
Initiating a chargeback without contacting us first may result in denial of future service.
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Policy Updates
Marine Tech Supplies reserves the right to update this policy at any time without notice.
