{"product_id":"pentair-1-5-black-winterizing-plug","title":"Pentair 1.5\" Black Winterizing Plug","description":"\u003cp\u003eThe Pentair 1.5\" Black Winterizing Plug (Product #: 154712) is a factory-original OEM replacement hardware component engineered to provide a secure, airtight seal for pool and spa plumbing lines during seasonal closeouts and maintenance. Designed to thread directly into standard 1.5-inch female pipe thread (FPT) ports—such as pool return jets, skimmer bottoms, chlorinator housings, and multiport backwash valve bodies—this heavy-duty plug isolates plumbing lines to prevent freezing water from cracking subterranean pipes or equipment casings. Injection-molded from a high-impact, thick-walled engineering thermoplastic polymer, the plug features a robust male-threaded shank and an oversized hexagonal or slotted head that allows for easy installation using a standard wrench, screwdriver, or manual hand-tightening. It is infused with premium UV stabilizers and boasts complete immunity to aggressive pool chemicals, concentrated chlorine shock, winterizing anti-freeze agents, and heavy mineral scaling. When paired with a compatible rubber o-ring or thread sealant tape, it establishes a positive pressure-side barrier capable of handling continuous line pressure spikes up to 50 PSI. The physical dry weight of this single Pentair 1.5\" Black Winterizing Plug is approximately \u003cb data-index-in-node=\"1284\" data-path-to-node=\"0\"\u003e0.04 pounds\u003c\/b\u003e (roughly 0.64 ounces, with a nominal packaged shipping weight of 0.08 pounds), providing pool service technicians and homeowners with an indispensable, highly durable, and cost-effective winterization accessory for flawless off-season pool protection.\u003c\/p\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":53180137767023,"sku":"86203300Z","price":6.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/2346574.webp?v=1780410342","url":"https:\/\/commercialpoolandspasupplies.com\/products\/pentair-1-5-black-winterizing-plug","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}