Hayward AstroLite SP0580S Light Lock Screw w/Fastener (SPX0580Z3) dialvalves or stopped producing the pressure

or stopped producing the pressure needed for consistent switch actuation

which supports stable heater behavior and better overall control response

Restores a cleaner and more readable control surface

2 inch by 4 inch format with 230 volt operation

it also benefits from a broad ecosystem of matching wet ends

Hayward AstroLite SP0580S Light Lock Screw w/Fastener (SPX0580Z3) dialvalves or stopped producing the pressureThe Hayward light lock screw with fastener is designed for compatible AstroLite SP0580S lighting applications where the light retention hardware needs replacement. A part like this is useful because it helps keep the light assembly properly secured while supporting cleaner service results and more dependable fitment. This replacement is especially useful when the original screw or related fastener is corroded, stripped, bent, or missing. Replacing it