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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

Reliance is a trusted brand renowned for its diverse range of hot water heaters, catering to both residential and commercial needs with gas and electric models. Known for reliability and efficiency, Reliance offers traditional tank-style water heaters, which store hot water until use, and tankless models that heat water on demand, ensuring continuous supply while conserving energy. These heaters are built with robust materials to withstand corrosion and feature energy-efficient designs that often meet or exceed ENERGY STAR® standards, promising reduced utility costs. Safety is paramount with features like temperature and pressure relief valves, automatic shut-offs, and durable heating elements. Reliance products are widely accessible through plumbing suppliers and retail outlets, backed by comprehensive warranties and customer support for installation and maintenance needs, ensuring lasting performance and customer satisfaction. 

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