Hayward Star-Clear C751/C900/C1200 Lock Nut (CX900G) valterraproducts This part has practical value

This part has practical value because the panel-mount format helps preserve original installation layout and supports a cleaner replacement process

and this Darlly cartridge is designed for compatible applications referencing FC-1620

PresAir Trol side spout pressure switch rated at 21 amps

and this Maytronics diagonal 1

Hayward Star-Clear C751/C900/C1200 Lock Nut (CX900G) valterraproducts This part has practical valueThis lock nut is a service replacement for compatible Hayward Star Clear C751, C900, and C1200 cartridge filter assemblies. It helps secure filter components so the internal structure remains properly assembled during filtration and maintenance. Lock nuts can wear, strip, or become difficult to reuse after repeated filter cleanings. Having the correct replacement on hand helps make cartridge filter service smoother and reduces the risk of makeshift