Mixed lot of marine plumbing parts including a black pump/valve assembly with red and black wiring leads, a second round black housing with multiple hose ports, and several gray and white PVC fittings/adapters. A paper manual is visible marked “C-1 Propane…” with additional text obscured. Parts show light surface dust and handling marks. Box is worn and torn. Exact models, sizes, and completeness of the assemblies are not fully identifiable from the photo.