Nitrogen Purge Tool, Nitrogen Regulator HVAC, Adjustable Nitrogen Flow Regulator, Nitrogen Purge Regulator Tool, Purge Nitrogen Flow Regulator, Red. One-Step Mode Switching: Simply attach your standard 1/4″ refrigerant hose and nitrogen regulator, then the dial through “OFF → PURGE → BRAZE” in seconds—no fiddly flow valves or guesswork, just instant readiness.
