Big Berkey (2.25 gallons)

Big Berkey (2.25 gallons)


Watchman Consulting members get a MASSIVE discount on this product!  Click at the top of the page to get Member only pricing!!!


*The Berkey® stainless steel chambers are assembled in the USA from US and imported parts. The Black Berkey® Purification Elements are made and assembled in the USA.

  • The Big Berkey® System comes standard with 2 Black Berkey® Purification Elements, but can be expanded up to 4 elements
  • The versatile Big Berkey® System is ideal for small to medium families, and for use during travel, outdoor activities, or unexpected emergencies
  • Constructed of highly polished AISI 304 stainless steel
  • Storage capacity of about 2.25 gallons (8.5 liters)
  • Upper chamber nests within the lower chamber for transport and stands only 13" in height
  • Maximum Filters: 4 Black Berkey® Purification Elements (in upper chamber) 
  • System includes upper and lower stainless steel chambers, 2 Black Berkey® Purification Elements (expandable up to 4), 1 stainless steel lid,1 spigot, rubber gasket to protect the base, 2 wingnuts, 2 washers, 1 priming button, and 2 blocking plugs
  • Height when in use: 19.25"
  • Diameter: 8.5"
  • Weight: 7 lbs empty
  • For normal everyday use, this system easily serves: 1-4 people
  • Fully configured, this system can serve up to 85-170 people a day, during an emergency
  • Maximum Filtration Flow Rate:
    • Configured with two Black Berkey® Purification Elements, the Big Berkey® System can produce up to 3.5 gallons (13.3 liters) per hour
    • Configured with four Black Berkey® Purification Elements, the Big Berkey® System can produce up to 7.0 gallons (26.5 liters) per hour
  • Up to 4  Berkey PF-2™ Fluoride and Arsenic Reduction Filters may be installed in the lower chamber of this system if desired


*Flow rate calculated with upper chamber full to top. Flow rate decreases as water level declines


Labeling may vary to fulfill orders during periods of heavy demand

Number of Filters
  • Specifications

    Filtered Water Capacity: 2.25 Gallons (8.5 L)

    Product Dimensions: 8.5 x 8.5 x 21.0 inches

    Product Dimensions (nested): 8.5 x 8.5 x 13.0 inches

    Weight Empty: 7 lbs

    Weight Full (lower chamber full): 25.76 lbs

    Material: High polish 304 stainless steel

    Spigot (included) Material: BPA free, FDA approved, high impact polypropylene

    Purification Speed (gallons per hour):

    Up to 3.5 GPH with 2 Black Berkey® Filters (standard configuration), Up to 7.0 GPH with 4 Black Berkey® Filters

    Availability: Not yet available in Iowa or California

    Contaminents Removed: The included filters have been tested to remove 203 contaminants commonly found in drinking water. Contaminants are removed as follows: viruses (99.999%), pathogenic bacteria (99.9999%), Chloramine (below lab detectable limit), trihalomethanes (99.8%), pharmaceuticals (99.9%), pesticides (below lab detectable limit), heavy metals.




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Watchman Supply

Phone: 404.304.8453

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