Part Number: 0386-0849Principle: It uses a float ball to visually confirm the nitrogen is flowing during the brazing of copper tubing in HVAC systemsApplication:Use with any nitrogen-purging regulator equipped with a 7/16Inch - 20 male flare, provide extremely low flow high precision gas control for nitrogen purging applications, prevent internal oxidization and scale build-upPackage Including:1PC Nitrogen Flow Meter
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