Technical Products #1 Winter Plug SP201 The Technical Products #1 Winter Plug (SP201) is a reliable pool closing essential designed to seal plumbing lines and prevent freeze damage. Built with versatile sizing and quality materials, it's an excellent solution for protecting pool pipes during winterization. Key Features and Benefits Expands to create a watertight seal inside 1/2" to 1" pipes, ideal for pool returns, skimmers, main drains, and cleaner lines Constructed from high-quality rubber, durable nylon, and stainless steel bolts for long-lasting use Prevents water entry and costly freeze-related plumbing damage during the off-season Reusable season after season—easy to install, tighten, and remove Also suitable for pressure testing and leak detection during pool repairs Simple, tool-free operation with a large plastic wing-nut Specifications Model/Part Number: SP201 (#1 Winter Plug) Fits: 1/2" to 1" pipe (expansion range ~0.70") Bottom Rubber Diameter: 0.75” Top Rubber Diameter: 1.12” Rubber Height: 1.45” Material: Premium rubber with marine-grade stainless hardware Weight: ~0.05 lbs Protect your plumbing and enjoy a hassle-free spring reopening with the dependable Technical Products #1 Winter Plug SP201.
