Air gap is the simplest form of such a device. The most effective method to avoid this issue is by using a backflow prevention device. Even with this design there is always a risk of backflow, after which wastewater cannot properly find the right pipe and enters the fresh water supply line.
In a plumbing system, potable water and wastewater are intended to flow through different pipes to avoid contamination. If no one is home when your order is delivered it will be left for you but we cannot assume responsibility for your order once it has been dropped off.In simple terms, an air gap is the simplest backflow prevention method. If you order multiple products they may not all arrive at the same time as we ship from multiple warehouses and each item will be shipped directly to you. If you have any special shipping requirements, like requiring a signature at time of delivery, please leave a message in the "Special instructions for seller" section while checking out. Your items may take anywhere from a few days up to a few weeks to arrive. Once your order is placed, we process it the next business day and ship via ground transportation. We offer FREE Shipping anywhere in the contiguous United States, however if you're located in an area that is so remote that the shipping costs on your order are so expensive that your order would become unprofitable, we reserve the right to refund your payment and cancel your order or offer to ship to you for an extra cost to make up the difference. All of us are doing our best to get your order to you as quickly as possible and we do appreciate your patience during these very difficult times. Also, tracking numbers are often late and occasionally inaccurate. However, as we, our suppliers and all of our Couriers and the Postal Service are short staffed and much busier than usual your order will take longer to get to you.
Please note that in spite of Covid 19 we are open and shipping orders.
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