Pentair Large CNC Filter Lid Replacement (178546Z)

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Pool systems depend on small details working correctly, from seals and housings to wheels, fittings, and controls. This item is a large CNC filter lid replacement for restoring the top seal and service access point on compatible filters. Use it when the original part is worn, damaged, missing, or no longer helping the system perform as intended.Use this component when servicing compatible filtration equipment where sealing, lid integrity, internal support, or flow management affects pressure, clarity, and ease of maintenance. Match the part number to the equipment label, diagram, or service record before ordering. Ideal for restoring performance in the specific subsystem it serves Supports targeted Pentair Pool Products repair without unnecessary full-equipment replacement Confirm model series, size, color, connection style, and visual shape before ordering to reduce returns and support a cleaner installation. Show more