The Macomb Group is a distributor of NIBCO wrot copper press fittings, including reducers ranging in size from ½ x ¾ to 3 x 4 inches and many dimensions in between. 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.