Does a backflow preventer require regular maintenance?
Yes. Backflow preventers have internal seals, springs, and moving parts that are subject to foul, wear or fatigue. A visual check of an air gap is sufficient but mechanical backflow preventers require annual testing. The customer is responsible for any testing repairs or maintenance.

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1. What is a cross connection?
2. What is backflow?
3. Who is directly affected by this?
4. Why do we have to implement this program?
5. What is a backflow preventer?
6. Does a backflow preventer require regular maintenance?
7. Who is certified to do the testing and repairs on the backflow preventer?