Full Range of Pumps for Residential, Commercial, and Industrial Uses

Submersible, effluent, chemical feed, booster, circulator and well pumps – whatever your situation demands, Duff can supply the pump and the accessories. We offer a wide range of pumps for a wide range of applications, whether for residential, commercial or industrial uses. Duff offers a full range of pumps, pumping systems and components to fit your, or your customer’s, needs. View our pumps line card to see for yourself.

As one of the most trusted pumps distributors in the Mid-Atlantic region of the United States, we are proud to have the most knowledgeable, experienced and helpful experts in the business. If you need help sizing a pump, identifying a part or finding a replacement, just ask our Parts Guru.

Duff has the best pump specialists you can find.  Our team has decades of experience sizing pumps, troubleshooting and proposing solutions.  That’s the reason our customers depend on us.

Service Kits and Accessories

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Duff Co. is your home for any pump service kit, repair kit, spare part or pump accessory


We have the largest inventory of Grundfos pumps and repair parts in the Northeastern United States.  Call or email us today to find out if we have the pump or part you’re looking for.


Custom Fabrication

Did you know that Duff offers custom fabrication services?

From stainless steel to extra heavy schedule 80 steel pipe, and whether it’s a large receiver or small strainer basket, our custom fabrication shop can design and manufacture the equipment that you need to get the job done.