anti-siphon hose bib

In removing a hose end frozen to an anti-siphon valve I was a bit too zealous with my moto-tool and slit the threads (see photo). Hose screws on tight, but leaks, of course. Bib replacement is not a viable option. It is in the garage and will have a hose reel system attached to it. I am...

I understand that vacuum breaker is required for outdoor hose bibb, but I had an old bibb with the vacuum breaker attached to the end, and I was having issues with it splashing water when closing the bibb with hose attached. Recently I had it replaced with Arrow-breaker bibb that had a vacuum...

Dear Forum, I'm trying to understand if the "Anti-Siphon" function built into hose bibs today is effectively just an "Atmospheric Vacuum Breaker"? Thanks so much, ...Todd