Hayward S2140S/S311SX/S220 Manual Air Relief (SX200G)

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Manual air relief helps release trapped air from compatible Hayward sand filter tanks during startup and service. This replacement part is a practical repair item when the original relief assembly becomes difficult to operate, cracked, or unreliable. Made for select S2140S, S311SX, and S220 filter applications Allows manual release of trapped air Supports safer and smoother filter startup Helpful during tank repairs or seasonal maintenance Restores a key service function on compatible filters Show more