info@duffco.com

201 E. Lafayette Street Norristown, PA 19401

Philadelphia Plumbing & Heating Supply | Pumps | Water Treatment
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Entrance Mats

  • Entrance Mats

    January 11, 2022

    Protect your floors and prevent slips and falls with high-quality floor mats! Custom Entrance Mats Put your best foot forward with custom entrance mats! Ideal…

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  • Residential Sink Trim Kits

    November 1, 2021

    IdealLav™ Part Number: W715PCP Universal NuFit® Trim Kit: Part Number: W948700

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  • Chemical Piping Systems

    August 27, 2021

    Duff Co. is pleased to offer Orion’s corrosion-resistant chemical piping systems. They have been proven in thousands of educational, medical, industrial, and research installations across…

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  • Little Giant Inline 400 Constant Pressure Boosting System

    May 21, 2021

    Designed to be quiet, compact and priced below the competition, the Little Giant 400 is an economical way to meet all of your pressure boosting…

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  • Introducing the Chekpoint Sensor Bottle Filler Faucet Kits

    April 8, 2021

    Introducing the new T&S Brass ChekPoint Sensor Glass and Bottle Filler Faucet Kits. Available in 8″, 10″ and 12″ Outlet clearance, each with optional water…

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  • Prepare Pipes for Winter’s Harshest Weather

    December 9, 2020

    Each winter, facility maintenance professional, plumbers, and water treatment specialists face the inevitable calls for frozen pipe repair. Whether you are stocking up on supplies…

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  • Sloan Connected Products with Bluetooth Technology

    November 24, 2020

    Sloan connected products put controls and data at your fingertips with bluetooth technology. The Optima EAF and BASYS EFX Faucet models are bluetooth compatible when…

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  • New T&S Brass Antimicrobial Faucets

    November 2, 2020

    Antimicrobial barriers help prevent the spread of disease and reduce the risk of cross-contamination. How does the T&S Brass antimicrobial coating work? The T&S Brass…

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  • Act now to save on overstock water heaters!

    October 22, 2020

    Bradford White 100 GallonCommercial Flue DamperElectric Ignition Gas Water Heater (D-Series) D-100T-199-3N Actual Product Not Shown. ONLY FIVE UNITS REMAIN We are clearing inventory to…

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  • Save on Ice Melt with Early Pricing

    October 20, 2020

    Order before October 31, 2020 to lock in early pricing on pallets. Simple & Safe – $561.05 per pallet 49 bags per pallet. (price per…

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  • Departments
    • Plumbing and Heating
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      • Chemical Feed / Water Treatment
      • Grundfos
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      • Machining & Manufacturing
      • Plumbing & HVAC Pumps
      • Pressure Boosting
      • Pumps Line Card
      • Sump, Sewage & Effluent
      • Well Pumps
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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.