{"product_id":"pentairdseriespumpgasketadapterpenc2046penc2046","title":"Pentair D Series Pump Gasket Adapter | C20-46","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair Gasket, Adapter (D-Series Pump) | C20-46 (C2046)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair C20-46 (often typed as C2046) is an adapter gasket used with select Pentair \u003cstrong\u003eD-Series self-priming centrifugal\u003c\/strong\u003e\n    pool and spa pumps. This gasket seals the adapter\/flange interface to help prevent water leaks and air intrusion that can affect\n    priming and pump performance.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdapter gasket\u003c\/strong\u003e for Pentair D-Series pump assemblies (seals the adapter\/flange joint).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRestores leak-free sealing\u003c\/strong\u003e when the original gasket is flattened, cracked, or torn.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHelps prevent suction-side air leaks\u003c\/strong\u003e that can contribute to bubbles, loss of prime, or noisy operation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Pentair D-Series self-priming centrifugal pool and spa pumps (where the parts diagram specifies C20-46)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cem\u003eTip:\u003c\/em\u003e Confirm your exact pump model and parts diagram—D-Series assemblies can vary by revision.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C20-46 (C2046)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCatalog Reference:\u003c\/strong\u003e 5058-07\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutside Diameter (OD):\u003c\/strong\u003e 9-1\/2\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInside Diameter (ID):\u003c\/strong\u003e 8\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApprox. Thickness:\u003c\/strong\u003e 1\/4\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Signs You Need This Gasket\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eWater seepage at the adapter\/flange area\u003c\/li\u003e\n    \u003cli\u003eAir bubbles visible in the pump basket (after confirming water level and basket lid O-ring are OK)\u003c\/li\u003e\n    \u003cli\u003eLoss of prime or intermittent priming issues tied to suction-side sealing points\u003c\/li\u003e\n    \u003cli\u003eGasket looks compressed, cracked, or breaks apart during disassembly\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eShut off power at the breaker and relieve system pressure before opening any pump connections.\u003c\/li\u003e\n    \u003cli\u003eRemove the old gasket and clean both mating surfaces thoroughly (remove old gasket material and debris).\u003c\/li\u003e\n    \u003cli\u003eInstall the new gasket flat and evenly seated—do not stretch or fold.\u003c\/li\u003e\n    \u003cli\u003eReassemble evenly and avoid over-tightening hardware to prevent distortion or future leaks.\u003c\/li\u003e\n    \u003cli\u003eRestart and check closely for drips and air leaks during initial run-up.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=C20-46\"\u003eSearch Aqua Pool Supply for C20-46\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=5058-07\"\u003eSearch Aqua Pool Supply for 5058-07\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=pump%20seal%20kit\"\u003ePump seal kits\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=pump%20gasket\"\u003ePump gaskets and O-rings\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=silicone%20pool%20lube\"\u003eSilicone lubricant for O-rings and seals\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAny time you open a gasketed joint on an older pump, plan to replace the gasket—reusing compressed gaskets often leads to leaks.\u003c\/li\u003e\n    \u003cli\u003eKeep suction-side connections airtight; even small air leaks can reduce prime stability and overall pump performance.\u003c\/li\u003e\n    \u003cli\u003eSupport plumbing to reduce stress on pump housings and adapters, especially if the pad settles or plumbing is misaligned.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589953777980,"sku":"C20-46B","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-d-series-pump-gasket-adapter-c20-46-pump-parts-4162555.jpg?v=1771362127","url":"https:\/\/aquapoolsupply.com\/products\/pentairdseriespumpgasketadapterpenc2046penc2046","provider":"Aqua Pool Supply","version":"1.0","type":"link"}