Where can I find a backflow preventer?

Most common backflow preventers for household use can be found at a local hardware store. The following are some examples of what these devices look like (number 2 is the most common):

  1. Reduced pressure principle backflow prevention assembly (RPZ)
  2. Hose bib vacuum breaker
  3. Pipe applied atmospheric vacuum breaker
  4. Wall hydrant with hose bib vacuum breaker
  5. Pressure vacuum breaker
  6. Double gate -double gate check assembly
  7. Dual check valve

7 numbered examples of Backflow Prevention Hardware

Show All Answers

1. Why do I need a backflow preventer?
2. What is backflow or cross connection?
3. What are the most common ways for cross connections to occur in a residential setting?
4. Where can I find a backflow preventer?