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Manufacturer – State Industries (acquired by A.O. Smith in 2008)      


Style 1: 
The Date of Manufacture is found in the first four digits of the serial number
09 Year (2009)
05 Month (May)

01 January     07 July                     
02 February   08 August                     
03 March        09 September                     
04 April          10 October                 
05 May           11 November                 
06 June          12 December

Style 2: (Prior to 2008) 
The Date of Manufacture is found in the first three digits of the serial number
D Month (April)
05 Year (2005)

A January    G July                     
B February   H August                     
C March       J September                     
D April          K October                 
E May           L November                 
F June          M December

Ambassador hot water heaters are known for their quality, efficiency, and advanced technology, providing reliable hot water solutions for both residential and commercial applications. These heaters come in various models, including traditional tank and tankless options, catering to different needs and preferences. Tankless models are particularly valued for their ability to deliver on-demand hot water, enhancing energy efficiency by heating water only as needed, while traditional tank models offer a constant supply of hot water. Ambassador hot water heaters are constructed with high-quality materials to ensure durability and long service life. They often feature advanced digital controls for precise temperature management, energy-efficient heating elements, and safety features such as automatic shut-off and overheat protection. The user-friendly design includes easy-to-read displays and intuitive controls, making operation simple and straightforward. Ambassador hot water heaters are a trusted choice for those seeking dependable, efficient, and technologically advanced hot water heating solutions.

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