The Macomb Group is a distributor of NIBCO wrot copper press fittings, including couplings, reducing couplings and crossover couplings in sizes from ½ to 4 inches. NIBCO press fittings provide a clean, watertight seal by simply applying pressure from the pressing tool. The press system joins with seamless copper water tube in residential and commercial potable, hot, chilled, and process water applications for plumbing and HVAC systems.