info@duffco.com

201 E. Lafayette Street Norristown, PA 19401

Philadelphia Plumbing & Heating Supply | Pumps | Water Treatment
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It’s Coming . . . .

  • It’s Coming . . . .

    May 24, 2018

    May 24, 2018 What began as a brief cleanup of our 746-page compendium, most recently published circa 1991, became a full-blown rewrite of the Duff…

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  • Summer is here – Counter Days Begin

    May 5, 2018

    May 5, 2018 Spring has sprung, which can mean one and only thing: Duff Counter Days are here! We kicked off the season with a…

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  • New specialized multi-family site coming

    May 2, 2018

    May 2, 2017 Exciting things are happening in our Multi-Family Housing department. Stay tuned for some MAJOR updates to our website. Soon you will be…

    Read More

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      • Chemical Feed / Water Treatment
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      • Plumbing & HVAC Pumps
      • Pressure Boosting
      • Pumps Line Card
      • Sump, Sewage & Effluent
      • Well Pumps
    • Specials & Announcements
    • Water Treatment
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Philadelphia Plumbing & Heating, Pumps, and Water Treatment

201 E. Lafayette Avenue, Norristown PA 19401

Phone: 610-275-4453
Fax: 610-279-6299

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

© 2026. Duff Company.