{"product_id":"pentair12hpfullrated34hpuprateddiffuserc1216ppenc1216p","title":"Pentair 1\/2 HP Full-Rated 3\/4 HP Up-Rated Diffuser | C1-216P","description":"\u003cdiv\u003e\n\u003ch2\u003ePentair \/ Sta-Rite Diffuser for Dura-Glas \u0026amp; Max-E-Glas Pumps (1\/2 HP FR to 3\/4 HP UR) | C1-216P (5056-10A)\u003c\/h2\u003e\n\u003cp\u003eThe Pentair \/ Sta-Rite C1-216P is a replacement \u003cstrong\u003epump diffuser\u003c\/strong\u003e used on select Sta-Rite \u003cstrong\u003eDura-Glas\u003c\/strong\u003e and \u003cstrong\u003eMax-E-Glas\u003c\/strong\u003e inground pool \u0026amp; spa pumps. The diffuser mounts over the impeller to help guide water flow out of the impeller, improving hydraulic efficiency and helping the pump build steady pressure. Replace it when the original diffuser is cracked, warped, worn, or damaged from debris or freeze conditions.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Sta-Rite \u003cstrong\u003eDura-Glas\u003c\/strong\u003e and \u003cstrong\u003eMax-E-Glas\u003c\/strong\u003e pump models that use the \u003cstrong\u003eC1-216P\u003c\/strong\u003e diffuser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower range (common application):\u003c\/strong\u003e \u003cstrong\u003e1\/2 HP Full Rated\u003c\/strong\u003e through \u003cstrong\u003e3\/4 HP Up Rated\u003c\/strong\u003e versions of the Dura-Glas\/Max-E-Glas series\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eTip:\u003c\/em\u003e Match your pump’s parts diagram to confirm C1-216P \/ 5056-10A is the correct diffuser for your exact model and revision.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement diffuser\u003c\/strong\u003e for compatible Sta-Rite Dura-Glas \/ Max-E-Glas pump wet ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores proper water flow path\u003c\/strong\u003e from the impeller to the volute for more consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelps protect the wet end\u003c\/strong\u003e by maintaining correct internal clearances when the old diffuser is worn or damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-fit geometry\u003c\/strong\u003e to reduce vibration\/noise caused by warped or cracked diffuser parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair \/ Sta-Rite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C1-216P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog \/ Cross Reference:\u003c\/strong\u003e 5056-10A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Pump diffuser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. Size:\u003c\/strong\u003e 6-3\/8\" L x 6-3\/8\" W x 1-3\/4\" H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Signs You Need a New Diffuser\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReduced flow\/pressure after confirming the basket and filter are clean\u003c\/li\u003e\n\u003cli\u003eRattling, vibration, or unusual wet-end noise\u003c\/li\u003e\n\u003cli\u003eVisible cracks, chips, or heat\/freeze warping on the diffuser\u003c\/li\u003e\n\u003cli\u003eDiffuser-to-impeller rubbing marks or excessive internal wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off power at the breaker and relieve system pressure before opening the pump.\u003c\/li\u003e\n\u003cli\u003eInspect the \u003cstrong\u003ediffuser O-ring\u003c\/strong\u003e and sealing surfaces—replace worn O-rings to prevent air leaks and drips.\u003c\/li\u003e\n\u003cli\u003eClean debris from the volute and impeller area before reassembly.\u003c\/li\u003e\n\u003cli\u003eReassemble evenly and confirm the impeller spins freely by hand before restoring power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=C1-216P\"\u003eSearch Aqua Pool Supply for C1-216P\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=5056-10A\"\u003eSearch Aqua Pool Supply for 5056-10A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=U9-226\"\u003eDiffuser O-Ring (U9-226)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=Max-E-Glas%20parts\"\u003eSta-Rite Max-E-Glas pump parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=Dura-Glas%20parts\"\u003eSta-Rite Dura-Glas pump parts\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=silicone%20pool%20lube\"\u003eSilicone lubricant for O-rings and seals\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep the pump basket and skimmer basket clean to reduce debris damage to the impeller and diffuser.\u003c\/li\u003e\n\u003cli\u003eIf you open the wet end, replace the key O-rings\/seals at the same time to avoid suction leaks after reassembly.\u003c\/li\u003e\n\u003cli\u003eProtect the pump from freezing—ice expansion can crack diffusers, volutes, and seal plates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":46797897859247,"sku":"C1-216P","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/pentair-12-hp-full-rated-34-hp-up-rated-diffuser-c1-216p-pump-parts-5499855.jpg?v=1777068978","url":"https:\/\/freshized.com\/products\/pentair12hpfullrated34hpuprateddiffuserc1216ppenc1216p","provider":"Freshized","version":"1.0","type":"link"}