Find NIBCO fittings and valves built for precise flow control, durability, and code-compliant plumbing installations. NIBCO Fittings are known for strength, precision, and dependable performance across residential, commercial, and industrial plumbing systems. Designed to withstand pressure changes and temperature variation, NIBCO Fittings help create plumbing installations that last. At Wallington Plumbing Supply, we offer a complete range to support both routine repairs and complex system builds.