Pentair Light Junction Box [3x 1/2"] Brass Base (78310500) fuses Hayward tank lid with clamp

Hayward tank lid with clamp ring

or no longer securing the assembly correctly

When the correct protective fuse is missing or no longer serviceable

This cartridge has practical value because a Pleatco replacement is designed to restore the intended filter performance without changing the larger filter housing

Pentair Light Junction Box [3x 1/2"] Brass Base (78310500) fuses Hayward tank lid with clampPool systems depend on small details working correctly, from seals and housings to wheels, fittings, and controls. This item is a brass base light junction box with three 1 2 inch entries for pool lighting wiring runs. Use it when the original part is worn, damaged, missing, or no longer helping the system perform as intended. This lighting service part supports compatible pool or spa light assemblies where secure mounting, sealing, wiring access, or