{"product_id":"winterrubberexpansionplug4wwhitenylonwingnutfor341pipetpcsp204","title":"Winter Rubber Expansion Plug #4 w\/ White Nylon Wing Nut for 3\/4\" \u0026 1\" Pipe | SP-204","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eTechnical Products SP-204 Winter Expansion Plug #4 – For 3\/4\" Tube\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Technical Products SP-204 is a \u003cstrong\u003e#4 rubber winter expansion plug\u003c\/strong\u003e designed to seal \u003cstrong\u003e3\/4\" inside-diameter (ID) lines\/tubes\u003c\/strong\u003e\n    during pool winterization. Tightening the wing nut compresses the rubber, causing it to expand and grip the inside of the pipe to create\n    a secure, watertight seal that helps keep water out after the line is blown out.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 3\/4\" ID tube\/line (common winterizing size)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExpansion seal:\u003c\/strong\u003e Rubber compresses\/expands as the wing nut is tightened\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWing nut tightening\u003c\/strong\u003e for quick install and removal (no tools typically required)\u003c\/li\u003e\n    \u003cli\u003eHelps protect plumbing from \u003cstrong\u003efreeze damage\u003c\/strong\u003e by keeping water from re-entering the line\u003c\/li\u003e\n    \u003cli\u003eDurable rubber body designed for seasonal use\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Technical Products\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SP-204\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePlug Size:\u003c\/strong\u003e #4\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Winterizing \/ line sealing\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLine Size:\u003c\/strong\u003e 3\/4\" ID (verify your opening size before ordering)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Uses\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eSealing small pool plumbing lines after blowing out water\u003c\/li\u003e\n    \u003cli\u003eBlocking accessory ports and small return\/feature lines that match a 3\/4\" internal diameter\u003c\/li\u003e\n    \u003cli\u003eGeneral-purpose seasonal sealing for compatible 3\/4\" tubes\/ports\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eInsert the plug into a \u003cstrong\u003eclean, dry\u003c\/strong\u003e pipe opening.\u003c\/li\u003e\n    \u003cli\u003eTighten the wing nut until the rubber expands and seals firmly.\u003c\/li\u003e\n    \u003cli\u003eDo not overtighten—tighten only until snug and leak-free.\u003c\/li\u003e\n    \u003cli\u003eRemove in spring by loosening the wing nut and pulling the plug straight out.\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=Technical%20Products%20SP-204\"\u003eTechnical Products SP-204 (Shop \/ Options)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Technical%20Products%20winter%20plug\"\u003eTechnical Products Winter Plugs (Other Sizes)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20winterizing%20kit\"\u003ePool Winterizing Kits\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=air%20blowout%20adapter\"\u003eAir Blowout Adapters \u0026amp; Fittings\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20gizmo\"\u003eSkimmer Protection Gizmos\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=thread%20seal%20tape\"\u003eThread Seal Tape\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMeasure the \u003cstrong\u003einside diameter\u003c\/strong\u003e of the line opening to confirm size—winter plugs are sized by the hole they seal.\u003c\/li\u003e\n    \u003cli\u003eAfter tightening, confirm the plug is secure and not able to be pulled out easily.\u003c\/li\u003e\n    \u003cli\u003eStore plugs clean and dry in the off-season to extend rubber life.\u003c\/li\u003e\n    \u003cli\u003eIf the rubber is cracked, stiff, or won’t expand evenly, replace the plug before winterizing.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Technical Products","offers":[{"title":"Default Title","offer_id":52589962133820,"sku":"SP-204","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/winter-rubber-expansion-plug-4-w-white-nylon-wing-nut-for-34-1-pipe-sp-204-miscellaneous-4345553.png?v=1770393391","url":"https:\/\/aquapoolsupply.com\/products\/winterrubberexpansionplug4wwhitenylonwingnutfor341pipetpcsp204","provider":"Aqua Pool Supply","version":"1.0","type":"link"}