Please Carefully Package The Item When Sending It Back. Due to having multiple quantities available, picture of box/serial number in the listing may not be the one you receive (I take a general picture for having multiple quantities throughout). This is how I can get you low prices.Please make sure to register your new item on the manufactures website for easier assistance. The item "RHEEM RETEX-36 ELECTRIC TANKLESS WATER HEATER FREE SHIPPING" is in sale since Tuesday, August 11, 2020. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Water Heaters\Tankless Water Heaters". The seller is "superwoman12" and is located in Buford, Georgia. This item can be shipped to United States.