Category Archives: Reproducers

Columbia Floating Reproducer Restoration

Here is the process for fitting your repair parts into the Columbia large floating aluminum reproducer, like the one shown here. The internal diameter (diaphragm size) is 1-3/4 inches (~4.5 cm). This process also applies to the smaller Columbia aluminum floating reproducers. What You Will Need Bunsen burner Denatured alcohol Matches Round toothpicks Small, fresh […]