{"product_id":"heavy-duty-swimming-pool-winter-expansion-rubber-plugs-15-to-2","title":"Pool Winterizing Plug 1.5\" to 2\" - Swimming Pool Rubber Expansion Plug with Screws, Return Line \u0026 Skimmer Plugs for Inground \u0026 Above-Ground Pools - 2 Pack","description":"\u003ch2\u003e1.5\" to 2\" Universal Pool Winterizing Expansion Plugs\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Rubber Expansion:\u003c\/strong\u003e Specifically engineered with high-density, pliable rubber that expands when the wingnut is tightened, creating a high-pressure, airtight seal inside your pool plumbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRust-Proof Stainless Steel Hardware:\u003c\/strong\u003e Equipped with premium stainless steel screws and wingnuts designed to survive the harsh, damp winter environment without seizing or corroding, ensuring easy removal in the spring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Tapered Design:\u003c\/strong\u003e The multi-size taper allows a single plug to fit both standard 1.5-inch and 2-inch pipes, providing a versatile solution for return lines, cleaner lines, and skimmer ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreeze-Protection Barrier:\u003c\/strong\u003e Acts as a critical line of defense to prevent water from entering your underground pipes, shielding your filtration system from catastrophic freeze-cracking during the off-season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Slip Grip Ribbing:\u003c\/strong\u003e Features integrated outer ribbing on the rubber body to provide extra \"bite\" against smooth PVC pipe walls, preventing the plug from \"popping out\" under the pressure of expanding ice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standard Codes:\u003c\/strong\u003e Size #10 (for 1.5\"), Size #11 (for 2\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Specification:\u003c\/strong\u003e Universal expansion plug for inground and above-ground pool winterization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis expansion plug is designed to be the \"Swiss Army Knife\" of pool winterization. Key applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturn Lines:\u003c\/strong\u003e Seals standard 1.5\" and 2\" threaded or smooth-wall return jet fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkimmer Ports:\u003c\/strong\u003e Plugs the bottom suction port of the skimmer to prevent water from entering the pump line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner Lines:\u003c\/strong\u003e Fits dedicated suction or pressure cleaner ports (e.g., Polaris or Hayward wall fittings).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInground \u0026amp; Above-Ground:\u003c\/strong\u003e Compatible with all major pool brands including Hayward, Pentair, Jandy, and Intex (with standard PVC plumbing).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Dry-Rot:\u003c\/strong\u003e If the rubber appears cracked, chalky, or brittle, it will fail to expand evenly, leading to slow leaks and potential pipe damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStripped Wingnuts:\u003c\/strong\u003e If the screw or wingnut slips when you try to tighten it, the plug can no longer provide the high-pressure seal required for winter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoss of Shape:\u003c\/strong\u003e If the plug remains \"squashed\" or deformed after removal, it may not re-seat properly in a different pipe next season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBent Screws:\u003c\/strong\u003e A bent internal screw prevents the expansion plates from applying even pressure, which can cause the plug to blow out during a hard freeze.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \"Blowing Out\" Rule (\u003c\/strong\u003e\u003cstrong\u003ePRO TIP):\u003c\/strong\u003e For the best protection, use a shop vac or air compressor to blow the water out of your lines until you see bubbles in the pool, then \"plug on the bubble\" to ensure an air-locked pipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDon't Over-Tighten:\u003c\/strong\u003e Tighten the wingnut until it is snug and the rubber has visibly expanded against the pipe wall. Going \"Hulk\" on the wingnut can snap the internal screw or crack your PVC fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLube the Threads (\u003c\/strong\u003e\u003cstrong\u003eIMPORTANT):\u003c\/strong\u003e Apply a small amount of pool-grade silicone lubricant to the stainless steel threads before storing. This prevents the metal from binding over the winter and makes spring opening much smoother.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain the Skimmer:\u003c\/strong\u003e If using this in a skimmer, ensure you also use a \"Gizzmo\" or a piece of pool noodle to absorb ice expansion in the skimmer throat itself.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45371972550845,"sku":"AZ00465193","price":19.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00210771_1_56523516-635a-4f0c-b25e-db7c83a66e64.jpg?v=1762245921","url":"https:\/\/bluestarspartstrend.com\/products\/heavy-duty-swimming-pool-winter-expansion-rubber-plugs-15-to-2","provider":"BlueStars Parts","version":"1.0","type":"link"}