Lower Units purchases from Mariners Warehouse may be returned to Mariners Warehouse for a refund for up to 14 days after the date of shipment. Items must be returned in the condition in which they were received. Open items will be accepted only if all the original components are included. This policy does not apply to any item that has been assembled, installed, used or rented. Damaged or defective items must be documented as such by the returns department prior to returning to be accepted for credit. All new returns will be processed for merchandise only (net of any shipping charges paid to Mariners Warehouse) and are subject to a 10% restocking fee which will be deducted from the refund. 
A new return authorization number must be issued by the Returns Department and written clearly on the the packaging to ensure proper credit. To request a new return authorization, please call 305-910-0109
You are responsible for the return of the merchandise to Mariners Warehouse. Be sure to properly package your item(s) in order to prevent damage in shipping. Mariners Warehouse recommends using an insured carrier with a reliable tracking system to return your merchandise. Please retain the tracking number in the event of any loss or damage during shipping. Mariners Warehouse is not responsible for any goods lost or damaged in transit to our facility.
Please clearly mark the outside of the package with the new return authorization number and send your package to :
Mariners Warehouse New Returns Department
15580 Palmetto Club Dr

Miami, FL. 33157
Please allow 48 hours upon confirmation of receipt of goods for Mariners Warehouse personnel to process your return. The appropriate refund will be generated and returned in the same manner in which the original payment was receive, normally within 5-7 business days.