HYDRO MASTER Vacuum Breaker Valve,Hose Bib Backflow Preventer, 3/4 Inch, Brass Finish

comments:

hungrykoreanguy posted on r/homemaintenance3w

The vacuum breaker valve can wear out internally leaking more than it should and I had to replace mine recently. You might want to replace it. https://www.amazon.com/dp/B089K34ZJ7