The Hobart 349613-3 Vacuum Breaker is a 1/2" NPT component designed to allow air into the plumbing system when negative pressure develops, helping prevent contaminated water from being drawn backward into the supply line. Rated for pressures up to 125 PSI and temperatures up to 180°F, it is suitable for demanding commercial foodservice applications. Its threaded connection supports se... https://partsfe.ca/349613-3-hobart-vacuum-breaker