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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 Systems
      • Commercial Systems
      • Cartridges, Filters & Housings
      • Media, Resin & Chemicals
      • Control Valves & Parts
      • UV Lights
    • Multi-Family Housing
    • Specials & Announcements
  • Resources
    • Parts Catalog
    • Water Treatment Catalog
    • Credit Application
    • Order Form
    • Employment
  • The Duff Difference
  • Parts Guru
  • Contact
 
 

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About Duff Company
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  • Specials & Announcements

    • Chemical Piping Systems
    • Grundfos NBS Pumps
    • Little Giant Inline 400 Constant Pressure Boosting System
    • DIRECT WELL CHLORINATORS
    • Introducing Chekpoint Sensor Bottle Filler Faucet Kits
 

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

Temporary Hours:
Monday-Friday 7:30 AM to 4:30 PM
Saturday - temporarily closed

(We are still open for emergency service during other times.)

Phone: 610.275.4453
Fax: 610.279.6299

 

Special Announcements

    • Chemical Piping Systems

      August 27, 2021
      Duff Co. is pleased to offer Orion’s corrosion-resistant chemical piping …

    • Grundfos NBS Pumps

      August 6, 2021
      Split-Coupled End-Suction Pump Grundfos’ new N-Series pumps are available in …

    • Little Giant Inline 400 Constant Pressure Boosting System

      May 21, 2021
      Designed to be quiet, compact and priced below the competition, …
 

 
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Duff Company