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610-275-4453

Duff Co. | Phila. Plumbing & Heating Supply | Pumps | Water Conditioning
  • Home
  • Departments
    • Plumbing and Heating
    • Pumps
      • Well Pumps
      • Sump, Sewage & Effluent
      • Pressure Boosting
      • Chemical Feed / Water Treatment
      • Industrial Boiler Pumps
      • Plumbing & HVAC Pumps
      • Machining & Manufacturing
      • Irrigation & Agriculture
      • Pumps Line Card
      • Grundfos
    • Water Treatment
      • Residential Water Treatment Systems
      • Commercial Systems
      • Cartridges, Filters & Housings
      • Media, Resin & Chemicals
      • Control Valves & Parts
      • UV Lights
    • Multi-Family Housing
    • Specials & Announcements
  • Resources
    • Parts Catalog
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    • Credit Application
    • Order Form
    • Employment
  • The Duff Difference
  • Parts Guru
  • Contact
 
 

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About Duff Company
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  • Specials & Announcements

    • Aries Catalytic Carbon Cartridges
    • DWC Ceramic Disc Valves and Systems
    • Portable Exchange Deionization and Demineralization Components
    • Liberty Sewage Pumps
    • Specialty Filter Cartridges Remove Arsenic, PFOS and PFAS from Drinking Water
 

Duff Co.
201 E. Lafayette St.
Norristown, PA 19401

Hours:
Monday-Friday 7:30 AM to 4:30 PM
Saturday - closed
Sunday - closed
(We are still open for emergency service during other times.)

Phone: 610.275.4453
Fax: 610.279.6299

 

Special Announcements

    • Aries Catalytic Carbon Cartridges

      September 6, 2023
      Aries Catalytic Carbon Cartridges contain Calgon Centaur™ Carbon, a specially …

    • DWC Ceramic Disc Valves and Systems

      August 28, 2023
      Water Treatment professionals are converting to the easy-to-use, most dependable, …

    • Portable Exchange Deionization and Demineralization Components

      August 7, 2023
      High purity water is essential to industries such as aquariums, …
 

 
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Duff Company