Fernco 1056-150 1½” Flex Coupling – Cast Iron & Plastic Plumbing

A trusted choice among professionals, the Fernco 1056-150 flexible PVC coupling delivers a reliable, leak-proof connection for drain, waste, and vent (DWV) systems. This 2-pack coupling effortlessly joins 1½" plastic (PVC, CPVC, ABS, smooth-wall HDPE), cast iron, copper, steel, or lead pipes—eliminating the need for messy primers or glues. Simply slide the coupling into place and tighten the corrosion-resistant stainless steel bands for a secure, long-lasting fit.

Built to last, Fernco couplings are constructed from durable elastomeric PVC, offering a 50-year service life with resistance to chemicals, sewer gases, and corrosion. The internal diameter (ID) of 1.94″ accommodates pipe outside diameters (OD) ranging from 1.65″–2.00″, ensuring a perfect match for most standard plumbing applications. Whether you're upgrading a laundry sink drain, repairing a vent line, or installing new piping, these couplings make the job faster and cleaner.