Industrial Style Plug to Male NPT Fittings | Adapters to Winterize Blow out Backflow Preventer and Pressure Vacuum Breaker (PVB) for Sprinkler Systems (Solid Lead-Free Brass)

These fittings may be used to connect an air compressor to a backflow preventer valve (a.k.a. pressure vacuum breaker) for winterization purpose, or wherever industrial style plug to male National Pipe Thread (MNPT) fittings are needed. Packaging is reusable. A generalized procedure to winterize backflow preventer using compressed air is provided on the packaging. Package contains: - Industrial Style Plug to 1/8” MNPT - Industrial Style Plug to 1/4” MNPT - 1/4” FNPT to 3/8” MNPT bushing - 3/8” FNPT to 1/28” MNPT bushing

• PTFE tape or thread sealant (not included) is required for leak-free seal.
• Note: Backflow preventers typically have either male SAE 45° Flare or female NPT connections (see image). The fittings in this package will fit female NPT connection only. They will not fit male SAE 45° Flare connection. Please check your backflow preventer before purchasing.
• For your health and safety, this brass fitting is made of lead-free brass which contains less than 0.25% lead. Lead-free brass costs about 30% more to manufacture than regular brass. Lead-free brass is also harder, stronger, and more durable than regular leaded brass. Always wear safety goggles when handling or using compressed air.