Here is why our customers say Duff Differs!

  • The DuffinesDuff offers the widest product selection that you’ve ever seen! From plumbing, heating and industrial supplies, to pumps, steam specialties; multi-family housing supplies; and water treatment equipment, no one in the Philadelphia area—or on the entire East Coast!—equals our vast product line.
  • Duff provides unsurpassed technical ability, with full time experts devoted to their specific fields. We have the best in the business.
  • Emergency service is available 24 hours a day, 365 days a year.
  • Duff is family-owned and -managed, an owner is always available to meet or talk with you, and all of this is brought to you at competitive prices!
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Located in Norristown, PA, Duff Company was founded in 1947 by Richard “Dick” Duffine and has become a leading provider of plumbing and heating supplies, pumps, water treatment equipment, multi-family housing supplies; and much, much more.

Today, Dick’s son Geoff, and grandson Alex, are at the helm, along with Geoff’s son-in-law, Michael Genkin. The Duff Co. family is dedicated to growing its services while maintaining the superior level of quality that has become its hallmark.

5 ways Duff separates itself from the competition:

  • Duff has a 50-person staff, with an average tenure of more than 20 years, and Duff employees have unparalleled training and experience in their specialties. Again: the best in the business.
  • Duff has a vast inventory, including specialties and hard-to-find items, allowing for “one stop” shopping.
  • Duff’s electronically-dispatched and -monitored fleet of delivery trucks can make rapid deliveries not only to business locations, but also to job sites.
  • Duff Company manufactures its own water treatment equipment, and can custom build systems to meet the needs of customers.
  • Duff has in-house UPS and FedEx shipping, and extends its reach around the globe.

Duff Co. hours of operation:

Monday through Friday: 7 a.m. to 5 p.m.
Saturday: 7:30 a.m. to Noon

Please feel free to contact us, or call/fax us during our normal business hours:

610.275.4453
610.279.2910 (fax)

We also provide Emergency Service which is available 24 hours, 365 days a year.

 

A behind-the-scenes look at the people and products you rely on every day.

Meet some of our sales staff and peek behind the scenes in this 2022 view of our Duff Co. operations.

Duff, A Day in the Life