Female Hex Circuit Board Standoff: 0-80, 3/8" OAL, 1/8" Width Across Flats MPN:P121-M03F21-080 - Pkg Qty 10

A check valve 1/4 (F) NPT inlet with a body length of 1-7/16 inches, this device serves to prevent backflow by opening unidirectionally when water flows through it while closing instantly once flow stops or changes direction. Brass construction offers durability and resistance against corrosion under common liquid environments. Suitable for a range of plumbing applications, such as sprinkler systems, irrigation, hydronics among others where avoiding reverse fluid flow is paramount. This valve fits 1/4 female NPT threads to facilitate simple installation or replacement into existing systems that use this thread type hence appeals mostly to residential users and professionals working on DIY projects or maintenance repairs within plumbing infrastructure.