Forespar Marelon Replacement Duckbill/Cap Assembly for Vented Loop, Black

The Forespar Replacement Duckbill/Cap Assembly is designed to restore the reliable operation of Marelon® vented loops in marine plumbing systems. It provides dependable one-way venting, allowing air to enter the system while preventing the reverse flow of water.

Manufactured from corrosion-proof Marelon®, the assembly is built to withstand harsh marine environments and deliver long-lasting performance. The integrated duckbill valve is engineered to maintain an effective seal, even when fluids contain debris or particulate matter, ensuring reliable operation under demanding conditions.

SKU: FO-903002 Category: