Hayward 1-1/2" MPT Vacuum Lock Wall Fitting [Gray] (W400BLGP) nutsboltsscrews This style is useful when

This style is useful when replacement fence hardware needs to be matched to an existing system or adapted to a specific installation layout

The dark grey Emerald Cut style adds a more refined visual element than a plain functional insert alone

size-appropriate refresh for a single-port skimmer setup

Does not include O-ring

Helps verify flow before connected equipment operates

Hayward 1-1/2" MPT Vacuum Lock Wall Fitting [Gray] (W400BLGP) nutsboltsscrews This style is useful whenThe Hayward vacuum lock wall fitting is designed for compatible pool wall suction applications where the wall fitting needs replacement. A wall fitting is useful because it provides the connection point for vacuum or suction side equipment while helping maintain a finished look at the pool wall. This replacement is especially useful when the original fitting is cracked, leaking, damaged, or no longer threading correctly. Matching the correct 1 1 2