Pool Light Zinc Anode 104F by Pool Tool – anti-electrolysis, light – replaces 0173-4 , 431273 , PT104F , PTE-451-1003.
Attach the zinc anode to one of the cap screws that hold the pool light together OR attach to the nut and bolt that tightens the retaining ring/clamp.
These anodes will erode over time. Be sure to check annually. Once it is about 1/2 of the original size it will need to be replaced.
