Fels Supply Co

Founded in 1947, Duff Company has been a cornerstone in Norristown, PA, providing a comprehensive selection of plumbing, heating, and industrial supplies for over 75 years. The company, now managed by the founder's family, prides itself on superior service and a knowledgeable staff with an average tenure of more than 20 years.

As a full-line wholesale distributor, Duff Co. specializes in pumps, water treatment equipment, and multi-family housing solutions, earning accolades such as the Supplier Member of the Year award from the Pennsylvania Apartment Association. With a commitment to quality and innovation, they offer products including Pentek filtration and Autotrol valves, serving a diverse clientele from hospitals to municipalities and beyond.

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