Rubber Expansion Plug #9 – 1-1/2 to 1-3/4"
The rubber expansion plug #9 seals pool pipes with a diameter between 1-1/2" and 1-3/4". By tightening the wing nut, the rubber compresses and expands to create a perfectly watertight seal inside the pipe.
✅ Key Features
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Size Range: suitable for 1-1/2" to 1-3/4" pipes.
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Expansion Seal: tighten the wing nut for a leak-proof block.
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Durable Rubber: resistant and reusable season after season.
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Quick Installation: no special tools required.
🎯 Common Uses
Ideal for winterizing: blocks returns, skimmers, and suction lines to prevent water and freezing from damaging plumbing. Also useful for isolating a pipe during repairs.
