If worn or damaged duckbill valves have created a loss of vacuum integrity in a VacuFlush toilet system, or if a duckbill valve has become inverted due to pumping out against a closed seacock, depend on original SeaLand duckbill valves to make the system work like new. Two sizes fit all SeaLand J series vacuum generators, S series vacuum pumps, M series vacuum pumps, and T series discharge pumps.
Replaces duckbill valves in J series vacuum generators and M series vacuum pumps
Includes two valves per kit; four valves are required for vacuum pump
Maintains vacuum integrity in VacuFlush toilet systems
Provides backflow protection in discharge pump operation
385310076 - 1.5" pair
385311208 - 2" pair