Hayward 1-1/2" MPT Vacuum Lock Wall Fitting [Gray] (W400BLGP) nutsboltsscrews The dark grey Emerald Cut

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

Replacing a worn or malfunctioning bypass valve with the correct Waterway part can help restore more confident flow management

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

Helps verify flow before connected equipment operates

Hayward 1-1/2" MPT Vacuum Lock Wall Fitting [Gray] (W400BLGP) nutsboltsscrews The dark grey Emerald CutThe 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