T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP] Brand_Flojet or 36-volt negative ground DC

or 36-volt negative ground DC systems

The Deep Draft Crown Head was last made in 1990 but some still exist out in the field today

Transport Canada

The couplers connect to the corresponding T-connectors

T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP] Brand_Flojet or 36-volt negative ground DC90 Degree Cockpit Scupper Drain White This cockpit scupper drain is an affordable and durable solution for draining areas below the waterline. Made from high strength, UV stabilized polymer, it features a check ball for effective sealing against reverse water flow and an optional leaf guard to prevent clogging. This cockpit scupper drain provides an inexpensive alternative to items currently available for draining areas where the discharge is below