Posts Tagged: DWV pipe connectors

Mission Coupling Explained: When to Use It Instead of Fernco

Mission Coupling vs Fernco: What Every DIYer and Plumber Needs to Know Quick Summary A mission coupling is a shielded rubber coupling designed to join different types of pipe, such as cast iron, PVC, ABS, or copper. It provides structural support and maintains proper pipe alignment. By comparison, a Fernco coupling is typically an unshielded rubber sleeve that is best suited for underground or flexible applications. Choosing the correct coupling is critical because building codes often require shielded couplings in above-ground installations. Proper tightening, correct sizing, and selecting the right … Read More