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    Become a Customer

    Become a Customer Interested in becoming a customer of Duncan Supply Company?  For more information, click below to start the process.

    Start the Process

    Become a Vendor

    Become a Vendor Have new innovating products that Duncan Supply Company needs to sell?  Start the process below to become a vendor of Duncan Supply Company.

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    July Flyer - JB Products

    As a member of Key Wholesaler Group, during the month of July we are proud to be working with JB Products!  Check out the newest products, the Aurora Infrared Refrigerant Leak Detector (LD-6000IR) and the Patriot Manifold (22225 without hoses and 22233 with hoses).  Also featured in this month's flyer is the Prowler Leak Detector (LD-5000), the Platinum 7 CFM Vacuum Pump (DV-200N), and the Supernova Digital Micron Gauge (DV-41)CLICK HERE to download the July flyer or contact your local DSC branch for more information. 

    Stock up for summer with the great Nu-Calgon coil cleaning products below, that were featured in last month's flyer!  In case you missed it, CLICK HERE to download the flyer or contact your local DSC branch for more information.  

    Nu-Brite®  (4291-08)
    #1 Coil cleaner in the HVACR industry

    ®  (4133-08)
    Acidic coil cleaner and brightener for evaporators & condensers

    Foam-Brite®  (4178-08)
    Ultimate foaming coil cleaner and brightener

    Alka-Brite®  (4120-08)
    Maximum foaming condenser cleaner and brightener

    COIL GUN®  (4774-0)
    Quick-disconnect feature, variable ratio settings, 2-quart capacity

    Coil Gun Probe  (4774-1)

    ® No Rinse  (4166-75)
    Evaporator coil cleaner & disinfectant

    Cal-Blast®  (4132-20)
    No-rinse condenser coil cleaner

    Please take some time to visit our Duncan Supply website, where you can check out products and our family of reputable vendors.  Don't forget to mark your calendars for all the upcoming counter days we have this month and in the months ahead.  For a complete list, please visit our