Add to the top of any seacock to allow instant emergency bilge pumping or to simplify winterization and cooling system flushing
In an emergency: While the connected engine is running close the seacock and remove the quick release plug. Excess bilge water will be pumped overboard by the engine raw water pump
For winterization: close the seacock remove the quick release plug and insert the service adapter
Anti freeze can be pumped into the cooling system
For system flushing:Close the seacock and insert the service adapter
Dockside water can be used to flush the cooling system with the engine running at idle speed