What is a backflow prevention device?

A backflow prevention device is also an approved unit installed on the water supply line to protect your drinking water system against backflow. These devices are not as complex as a backflow prevention assembly, but are effective. Devices are limited to specific applications.

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1. What is backflow prevention?
2. What is a backflow prevention assembly?
3. What is a backflow prevention device?
4. Do backflow prevention assemblies and devices need to be tested?
5. Why must backflow prevention assemblies be tested?
6. What happens after my backflow assembly has been tested?
7. What is a cross-connection?
8. What is backflow?