The Anderson Winter Duck Plug 1.5" is designed to simplify pool winterization by helping keep plumbing lines sealed during the closing process. Its one-way duck-bill valve allows air and water to escape while preventing water from flowing back into the line, making it easier to protect your pool plumbing from freeze damage. Built for durability and repeated seasonal use, this plug provides a secure fit for 1-1/2" threaded return fittings.
Features:
- Fits 1-1/2" male threaded (MPT) pool return fittings
- Patented one-way duck-bill valve helps prevent water from re-entering plumbing lines
- Helps simplify pool winterization and freeze protection
- Durable, reusable construction for multiple seasons
- Double-seal design provides a secure, watertight fit
- Includes a removable safety cap for added winter protection
- Ideal for in-ground pool return lines