If the city insists on a vacuum breaker, you can screw one on the end of the hose bibb. Paul PS: Although lots of people have great success with Shark Bite, I've helped a lot of friends and family on jobs where the Shark Bite started leaking or came completely off even years later...
How to Repair a Hose Bib Vacuum Breaker that LeaksByJonathan Muckala What is a Hose Bib?ByPiyush Jain 5 Types of Hose Bibs ExplainedByJennifer Aube How to Prevent a Hose Bib From FreezingByAndrew T. Sign up to get the latest DIY Projects and Advice!