Durable Rubber Expansion Plug for Pool Plumbing & Winterization
The #12 Expansion Plug with Nylon Wing Nut is designed to provide a secure, watertight seal for larger pool plumbing lines, typically fitting 2-1/4" to 2-1/2" internal pipe diameters. Made from high-quality rubber and featuring a corrosion-resistant nylon wing nut, this plug is perfect for winterizing pools, pressure testing, or temporarily sealing return and drain lines.
Its easy, tool-free installation allows for quick tightening and removal by hand, making pool maintenance hassle-free.
Size: #12 – fits most 2-1/4" to 2-1/2" pool pipes
Made of chemical-resistant rubber for durability
Equipped with a nylon wing nut for hand-tightening
Ideal for winterization, pressure testing, and line sealing
Easy to install and remove without tools
Ensures a tight, leak-free seal
Protects plumbing lines during winter and maintenance
Reusable and long-lasting design
Suitable for residential and commercial pools
Keep your pool plumbing protected year-round with the #12 Expansion Plug with Nylon Wing Nut—a reliable and easy-to-use solution for sealing larger pool lines.
