NAICS Code 423720-01 - Back Flow Prevention Devices (Wholesale)

Marketing Level - NAICS 8-Digit

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NAICS Code 423720-01 Description (8-Digit)

Back Flow Prevention Devices (Wholesale) is a subdivision of the Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers industry. This industry involves the wholesale distribution of backflow prevention devices, which are used to prevent the reverse flow of contaminated water into the potable water supply. These devices are essential for maintaining the safety and purity of drinking water, and are used in a variety of settings, including residential, commercial, and industrial applications.

Parent Code - Official US Census

Official 6‑digit NAICS codes serve as the parent classification used for government registrations and documentation. The marketing-level 8‑digit codes act as child extensions of these official classifications, providing refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader context of the industry environment. For further details on the official classification for this industry, please visit the U.S. Census Bureau NAICS Code 423720 page

Tools

Tools commonly used in the Back Flow Prevention Devices (Wholesale) industry for day-to-day tasks and operations.

  • Backflow preventer test kit
  • Pressure gauges
  • Valve wrenches
  • Pipe cutters
  • Pipe threaders
  • Pipe benders
  • Flaring tools
  • Pipe reamers
  • Pipe deburring tools
  • Pipe inspection cameras

Industry Examples of Back Flow Prevention Devices (Wholesale)

Common products and services typical of NAICS Code 423720-01, illustrating the main business activities and contributions to the market.

  • Backflow preventer valves
  • Reduced pressure zone assemblies
  • Double check valve assemblies
  • Atmospheric vacuum breakers
  • Pressure vacuum breakers
  • Spill-resistant vacuum breakers
  • Dual check valves
  • Hose bib vacuum breakers
  • Irrigation backflow preventers
  • Fire sprinkler backflow preventers

History

A concise historical narrative of NAICS Code 423720-01 covering global milestones and recent developments within the United States.

  • The Back Flow Prevention Devices (Wholesale) industry has a long history dating back to ancient times when the Greeks and Romans used simple check valves to prevent the backflow of water in their aqueducts. In the 19th century, the first double check valve was invented, which was later improved upon by the introduction of the reduced pressure principle valve in the 20th century. In the United States, the industry saw significant growth in the 1970s and 1980s due to the introduction of new regulations requiring the installation of backflow prevention devices in commercial and industrial buildings. In recent years, the industry has continued to grow due to increased awareness of the importance of water safety and the need for regular maintenance and replacement of aging devices.