What is diffference between 2108B2001N and 2108B2001?

• Model Status: The 2108B2001 is an older, obsolete model that is no longer available for sale as a standard part number. The 2108B2001N is the current, active production model that replaces the older version.

  
  

• Accessories/Packaging: The original 2108B2001 part number was for an internal part without any accessories. The commercial part numbers, including the 2108B2001N, typically bundle necessary accessories like a weather housing, deluge cover, and dust barrier as standard components.

  
  

• Internal Revisions: The "N" designation likely indicates internal product revisions, updates to certifications, or minor design improvements made by Honeywell to enhance reliability, reduce power consumption, and improve diagnostics. The core function of detecting hydrocarbon gases remains the same. 

In summary, the 2108B2001N is the current, supported version of the product with an updated commercial package and potential internal improvements, while the 2108B2001 is the superseded legacy model. 

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