{"product_id":"waterway™-218-4000-5-16-snap-in-poly-jet-diffuser","title":"Waterway 5\/16\" Snap-in Poly Jet Diffuser 218-4000","description":"\u003cdiv\u003e\n  \u003ch2\u003eWaterway 218-4000 5\/16\" Snap-In Poly Storm Jet Diffuser\u003c\/h2\u003e\n\n  \u003cp\u003eThe Waterway 218-4000 Poly Storm Jet Diffuser is a replacement snap-in diffuser used with compatible Waterway Poly Storm spa jets. This white diffuser installs into the back of the jet insert and helps secure the internal jet components while allowing proper water flow through the jet assembly.\u003c\/p\u003e\n\n  \u003cp\u003eThis is the diffuser only, not a complete spa jet, jet face, wall fitting, jet body, or complete internal assembly. It is commonly replaced when the original diffuser tabs are worn, broken, brittle, or no longer holding the jet internal securely in place.\u003c\/p\u003e\n\n  \u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eGenuine Waterway replacement jet diffuser\u003c\/li\u003e\n    \u003cli\u003eManufacturer part number: 218-4000\u003c\/li\u003e\n    \u003cli\u003e5\/16\" Poly Storm jet diffuser\u003c\/li\u003e\n    \u003cli\u003eSnap-in style diffuser\u003c\/li\u003e\n    \u003cli\u003eWhite plastic construction\u003c\/li\u003e\n    \u003cli\u003eDesigned for compatible Waterway Poly Storm jets\u003c\/li\u003e\n    \u003cli\u003eHelps hold compatible jet internals in place\u003c\/li\u003e\n    \u003cli\u003eUsed for spa and hot tub jet repair applications\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eProduct Details\u003c\/h3\u003e\n  \u003ctable\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eWaterway\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e218-4000\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eJet Diffuser\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eJet Series\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003ePoly Storm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eSnap-In\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e5\/16\"\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eWhite\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eApproximate Diameter\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e2-3\/16\" where specified\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eApproximate Length\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e3-1\/2\" to 3-9\/16\" where specified\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eReplacement diffuser for compatible Waterway Poly Storm spa jets\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCompatible Waterway Poly Storm snap-in spa jets\u003c\/li\u003e\n    \u003cli\u003eJet inserts using Waterway diffuser part number 218-4000\u003c\/li\u003e\n    \u003cli\u003eApplications where the existing diffuser is marked 218-4000, 2184000, or a listed equivalent\u003c\/li\u003e\n    \u003cli\u003eNot intended for Mini Storm, Power Storm, Cluster Storm, thread-in Poly Storm, or non-matching jet bodies unless the existing diffuser or parts diagram confirms 218-4000\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Uses\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacing a broken Poly Storm jet diffuser\u003c\/li\u003e\n    \u003cli\u003eRepairing jets that no longer stay snapped into place\u003c\/li\u003e\n    \u003cli\u003eReplacing worn or brittle diffuser tabs\u003c\/li\u003e\n    \u003cli\u003eServicing compatible Waterway Poly Storm jet internals\u003c\/li\u003e\n    \u003cli\u003eRestoring proper fit of the jet internal in the jet body\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off spa power and stop water flow before servicing jets.\u003c\/li\u003e\n    \u003cli\u003eRemove the existing jet internal from the jet body.\u003c\/li\u003e\n    \u003cli\u003eInspect the old diffuser for broken tabs, cracking, brittleness, or chemical damage.\u003c\/li\u003e\n    \u003cli\u003eConfirm the replacement diffuser matches the original part number and snap-in style.\u003c\/li\u003e\n    \u003cli\u003eSnap the new diffuser into the compatible jet internal assembly.\u003c\/li\u003e\n    \u003cli\u003eReinstall the jet internal and confirm it locks securely into the jet body.\u003c\/li\u003e\n    \u003cli\u003eIf the diffuser or jet internals are brittle, flaking, or heavily worn, replacing the complete jet internal may be a better repair.\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\/products\/waterwayadjustablecagedstylepolyjet2106040wwp2106040\"\u003eWaterway 210-6040 Adjustable Caged Style Poly Jet\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/waterwaypolyjetinternaladjustable2106080wwp2106080\"\u003eWaterway 210-6080 Adjustable Poly Jet Internal\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/waterwayrotodeluxepolyjetinternalwhite2106090wwp2106090\"\u003eWaterway 210-6090 Roto Deluxe Poly Jet Internal, White\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/waterwayrotodeluxepolyjetinternalgray2106097wwp2106097\"\u003eWaterway 210-6097 Roto Deluxe Poly Jet Internal, Gray\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/waterway-poly-jet-wrench-218-1770wwp2181770\"\u003eWaterway 218-1770 Poly Jet Wrench\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/products\/waterway-polyguniteassembly112air2103700wwp2103700\"\u003eWaterway 210-3700 Poly Gunite Jet Assembly\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMaintain proper spa water chemistry to reduce premature plastic deterioration.\u003c\/li\u003e\n    \u003cli\u003eInspect jet diffusers and retaining tabs during routine spa service.\u003c\/li\u003e\n    \u003cli\u003eReplace diffusers that are cracked, brittle, chalky, or missing tabs.\u003c\/li\u003e\n    \u003cli\u003eClean debris from the jet body before reinstalling the jet internal.\u003c\/li\u003e\n    \u003cli\u003eCheck surrounding jet internals if multiple diffusers are failing or jets are repeatedly popping out.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":67657295987004,"sku":"218-4000","price":12.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/waterway-516-snap-in-poly-jet-diffuser-218-4000-miscellaneous-7534823.jpg?v=1791960127","url":"https:\/\/aquapoolsupply.com\/products\/waterway%e2%84%a2-218-4000-5-16-snap-in-poly-jet-diffuser","provider":"Aqua Pool Supply","version":"1.0","type":"link"}