Is a backflow preventer required at the water inlet of the soda system carbonator?

A backflow preventer is indeed required at the water inlet of the soda system carbonator to ensure the safety and integrity of the potable water supply. The function of a backflow preventer is to prevent contamination from hazardous substances that may backflow from the soda system into the drinking water supply. Because carbonators often use water that can carry syrup, flavorings, and other additives, it's crucial to install a backflow prevention device to protect public health. This is consistent with health and safety regulations that mandate measures to prevent cross-contamination in plumbing systems. By having a backflow preventer in place, establishments can significantly reduce the risk of contamination occurring in their water supply systems.