{"product_id":"waterwaydemanifoldassemblywairrelief5504200wwp5504200","title":"Waterway D.E. Manifold Assembly W\/Air Relief | 550-4200","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eWaterway 550-4200 D.E. Filter Top Manifold Assembly with Air Relief\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Waterway 550-4200 is a replacement \u003cstrong\u003etop manifold assembly with an integrated air relief\u003c\/strong\u003e for select\n    \u003cstrong\u003eWaterway Crystal Water D.E. pool filters\u003c\/strong\u003e. The top manifold directs filtered water flow through the grid\n    assembly, while the air relief helps purge trapped air from the filter tank for smoother start-ups and more consistent\n    circulation.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacement \u003cstrong\u003etop manifold\u003c\/strong\u003e for D.E. grid-style filtration systems\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIncludes air relief assembly\u003c\/strong\u003e to help release trapped air during priming and operation\u003c\/li\u003e\n    \u003cli\u003eRestores proper internal water routing through the grid pack\u003c\/li\u003e\n    \u003cli\u003eHelps address issues like air accumulation, reduced flow, or poor filtration caused by a cracked\/warped manifold\u003c\/li\u003e\n    \u003cli\u003eOEM-style fit for compatible Waterway Crystal Water D.E. filter configurations\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFor use with \u003cstrong\u003eselect Waterway Crystal Water D.E. filters\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eMatch by \u003cstrong\u003epart number 550-4200\u003c\/strong\u003e and confirm the manifold style\/air relief position against your existing assembly\u003c\/li\u003e\n    \u003cli\u003eCommon cross references used in catalogs: \u003cstrong\u003e4742-97\u003c\/strong\u003e and \u003cstrong\u003e550-4200B\u003c\/strong\u003e (catalog\/packaging references may vary)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVisible cracks, warping, or broken standpipe\/manifold connections\u003c\/li\u003e\n    \u003cli\u003eD.E. returning to the pool after backwash\/cleaning (after verifying grids are intact)\u003c\/li\u003e\n    \u003cli\u003ePersistent air in the system or difficulty bleeding air from the filter\u003c\/li\u003e\n    \u003cli\u003eReduced flow or short filter cycles caused by internal bypass\/leaks\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off power, relieve tank pressure, and drain the filter before opening.\u003c\/li\u003e\n    \u003cli\u003eInspect the grid pack, standpipe connection, and tank O-ring while the filter is open.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, restart the system and use the air relief to purge air until a steady stream of water flows.\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\/search?q=Waterway%20Crystal%20Water%20DE%20grid%20replacement\"\u003eWaterway Crystal Water D.E. Replacement Grids\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Waterway%20DE%20filter%20air%20relief%20valve\"\u003eD.E. Filter Air Relief Valve \/ Assemblies\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Waterway%20filter%20tank%20o-ring\"\u003eFilter Tank O-Rings \u0026amp; Seal Kits\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20filter%20pressure%20gauge\"\u003ePool Filter Pressure Gauges\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=diatomaceous%20earth%20DE%20powder\"\u003eD.E. Powder (Pool-Grade)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBleed air from the filter after servicing and any time the system has been opened.\u003c\/li\u003e\n    \u003cli\u003eClean the grid pack when pressure rises about 8–10 PSI above your clean baseline.\u003c\/li\u003e\n    \u003cli\u003eInspect the manifold and grid tops during cleanings—small cracks can cause internal bypass and poor filtration.\u003c\/li\u003e\n    \u003cli\u003eKeep the tank O-ring clean and lightly lubricated to prevent leaks and make future service easier.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Waterway","offers":[{"title":"Default Title","offer_id":46797842415791,"sku":"550-4200","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/waterway-de-manifold-assembly-wair-relief-550-4200-pool-filter-parts-3843925.jpg?v=1777068069","url":"https:\/\/freshized.com\/products\/waterwaydemanifoldassemblywairrelief5504200wwp5504200","provider":"Freshized","version":"1.0","type":"link"}