Heavy-Duty Rubber Expansion Plug for Pool Plumbing & Winterization
The #10 Expansion Plug with Nylon Wing Nut is a dependable sealing solution for pool maintenance, pressure testing, and winterization. Featuring a durable rubber body and a corrosion-resistant nylon wing nut, this plug provides a secure, watertight seal in larger pool plumbing lines and fittings.
Designed for easy, tool-free installation, it’s ideal for blocking water flow in return lines, drain lines, and other standard 2" pool plumbing systems.
Size: #10 – fits most 2" pool fittings
Material: Durable rubber plug with nylon wing nut
Tool-free installation – easy to tighten by hand
Ideal for winterizing, pressure testing, or temporary line sealing
Resists pool chemicals and outdoor elements
Prevents water from entering plumbing during off-season
Ensures a tight, leak-free seal
Easy to use, remove, and reuse
Great for both residential and commercial pool systems
Protect your pool plumbing with the #10 Expansion Plug with Nylon Wing Nut—a reliable and easy-to-use choice for seasonal maintenance and repairs.
