What Is A Spigot Vacuum Breaker

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What is a Spigot Vacuum Breaker?

A spigot vacuum breaker is a device that prevents the backflow of water into the main water supply. It is typically installed on outdoor faucets, hose bibs, and other spigots that are connected to a public water supply.

How does a spigot vacuum breaker work?

A spigot vacuum breaker works by creating a vacuum in the spigot when the water is turned off. This vacuum prevents water from flowing back into the main water supply, even if the spigot is left open.

Types of spigot vacuum breakers

There are two main types of spigot vacuum breakers:

  • Atmospheric vacuum breakers are installed on the end of the spigot and are exposed to the atmosphere. These vacuum breakers are typically used on outdoor faucets and hose bibs.
  • Non-atmospheric vacuum breakers are installed inside the spigot and are not exposed to the atmosphere. These vacuum breakers are typically used on indoor faucets and other spigots that are not exposed to the elements.

Benefits of spigot vacuum breakers

Spigot vacuum breakers offer a number of benefits, including:

  • Prevent backflow of water into the main water supply
  • Protect against cross-contamination of water sources
  • Comply with plumbing codes
  • Easy to install and maintain

Installation of spigot vacuum breakers

Spigot vacuum breakers are relatively easy to install. Follow these steps to install a spigot vacuum breaker:

  1. Turn off the water supply to the spigot.
  2. Remove the old vacuum breaker, if there is one.
  3. Wrap the threads of the new vacuum breaker with Teflon tape.
  4. Screw the vacuum breaker onto the spigot.
  5. Turn on the water supply and check for leaks.

Conclusion

Spigot vacuum breakers are an important part of any plumbing system. They help to protect the public water supply from contamination and ensure that your water is safe to drink.

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