Protect your pool plumbing during the winter months with our Rubber Expansion Plugs with Nylon Wing Nut. These durable plugs are specifically designed to prevent water from entering and freezing inside your pool plumbing, safeguarding your skimmers, return jets, and other lines from costly damage. The convenient nylon wing nut makes installation and removal quick and hassle-free.

Available in multiple sizes, each plug is compatible with various pipe and fitting diameters to ensure a secure, leak-proof seal:

• #0 Plug: 1/2" pipe

• #2 Plug: 3/4" thread

• #3 Plug: 3/4" pipe

• #4 Plug: 3/4" & 1" pipe (0.75–1")

• #5 Plug: 1" thread

• #6 Plug: 1" fitting (1–1.25")

• #7 Plug: 1 1/4" pipe

• #8 Plug: 1 1/2" pipe (1.25–1.5")

• #9 Plug: 1 1/2" pipe (3.81–4.45 cm)

• #10 Plug: 1 1/2" fitting

• #11 Plug: 2" pipe (1.75")

• #12 Plug: 2" fitting

• #13 Plug: 2 1/2" pipe

• #14 Plug: 3" pipe

Ideal for above-ground and inground pools, these expansion plugs are a simple, reliable way to prevent freeze damage and keep your pool plumbing in top condition.