Anderson WDP150 Winter Duck Plug
Technical WDP150 Winter Duck Plug.
The patent pending duck bill valve allows a large flow of air and water to be blown from the return plumbing but does not allow pool water back into the lines.
Features:- Winterizing a pool becomes a one person operation
- Eliminates "burping" of lines
- No need to drain water below returns
- Double seal system provides a water tight seal
- Includes safety cap for ice protection
- Heavy duty rubber is resistant to anti-freeze and other chemicals