How to determine the date of production/manufacture or age of a RUUD® water heater.

RUUD® water heater


 

This page was last updated 25 July 2011

Every effort is undertaken to offer you correct and concise information to assist you in determining the age or manufacture date of water heating equipment.  Anytime anyone is dealing with numbers and letters in determining data, mistakes and misinterpretation are bound to happen.  For this reason if you find during your research that we may have erred please contact us.  In addition perhaps you have come across a brand, model or serial number format that we have not addressed.  Email us information or pictures of data/nomenclature plates of the unit and we will attempt to assist you in your determinations.  Email

 

 

The date of production/manufacture or age of a RUUD® water heater can be determined from the serial number. Serial number styles/formats found:

 

 

Style 1: RN0197147899

Style 2:  RMNG0298132767

Style 3:  05.05-000021


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