NDS Inc PVC Swing Check Valve, 1-1/2 in. IPS S X S, Clear Tandem exterior key lock and separate

exterior key lock and separate interior locking mechanism

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Ruggedly built with strong hooks

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NDS Inc PVC Swing Check Valve, 1-1/2 in. IPS S X S, Clear Tandem exterior key lock and separateDirect water flow through your irrigation system with the PVC Swing Check Valve, 1 1 2 in. IPS S X S. Water is conveyed one way through the valve when the flap opens. This leak resistant valve connects two 1 1 2 in. pipes in an irrigation or other pressurized system and prevents the backflow of water. Prevents costly property damage, pipe corrosion, and system issues. Durable check valve is made of PVC plastic. Flapper is made of EPDM. Use fittings