Product Description
Protects holding tank from excessive suction by dockside pumps by allowing air into the tank as it is being pumped out.
Easy to install with a 3" Hole Saw. Special sealing ring provided - no sealant or spinweld required.
**Excellent odor seal.
**Durable and reliable.
Meets proposed ISO requirement for 1-1/2-inch (38 mm) vent
Tips:
1. This could be the cause of smell in your boat. It can get clogged as well. Replace it is it is more than 10 years old.
2. Always good to have some 21030 Superlube to make install easier. You can use our techs favorite wipes for clean up WYP50.