What is the primary purpose of an anti-siphoning device?

The primary purpose of an anti-siphoning device is to prevent the backflow of pesticides into water sources. This is crucial in pest management practices to protect the environment, particularly water sources, from contamination. Anti-siphoning devices are designed to ensure that when there is a drop in pressure in a water supply system, potentially contaminated water does not flow back into the system. By maintaining a one-way flow, these devices help safeguard drinking water and aquatic ecosystems from the harmful effects of pesticides and other agricultural chemicals.

While enhancing effectiveness, reducing the amount of pesticide used, or increasing system pressure are important considerations in pest management, they do not pertain to the primary function of an anti-siphoning device. The focus here is solely on preserving water quality and preventing any hazardous materials from entering water sources.