CMP 4-1/8" FD Spa Jet Internal [Dir Smth Scal] [Gray] (23540-111-000) airbuttons Larger wall fittings should be

Larger wall fittings should be matched carefully because plumbing size and mounting dimensions both affect fit

1/8 inch MPT connection with SPDT switching format

Useful when a larger trim or fit solution is needed

The dedicated hydrostatic-valve purpose gives this tool practical value because removal tools work best when they are matched to the part being serviced

CMP 4-1/8" FD Spa Jet Internal [Dir Smth Scal] [Gray] (23540-111-000) airbuttons Larger wall fittings should beThe CMP spa jet internal is designed for compatible spa jet applications where a 4 1 8 inch face diameter directional internal needs replacement. A jet internal is useful because it shapes how water moves through the jet face, supporting the intended directional massage action and overall spa jet performance. This replacement is especially useful when the original internal is cracked, worn, clogged, or no longer rotating or directing flow correctly.