The Glascote and PermaGlas water heater brands are also manufactured by A.O.

This company is known for its high quality electric tankless water heaters and its tankless gas water heaters, and rating plates on models from this company are easy to decipher. This means a water heater with a serial number 1210 would have been manufactured in the tenth week of 2012. Smith, the year of manufacture comes first, followed by the month, so for example, if the first numbers in the serial number are 9710, the date of manufacture was October 1997. 11 is the month, November, and 99 is the year, 1999. Water heaters are not cheap, and buying a new one can be a significant investment. So now let’s look at some of the most common manufacturers and brands to see how it’s done. Some Sample Serial On 2016-07-16 by (mod) age of Hotpoint electric water heaters Rheem also makes water heaters that are sold under other brand names. The second type uses a letter to represent the month, which is followed by a number telling you the year. The serial number will consist of 10 numbers and letters, and you simply look for the first four numbers in the sequence to find the date of manufacture. The information displayed varies – for example, if you have a water heater with a tank, the information will be different from the information on a tankless water heater. The format is different for each company, but it’s not difficult to understand – you just need to know how to read it. Serial number styles/formats found are: →Style 1: D 11 14 A441408265A
Smith, and their rating plates can be read in the same way. Hi, I’m Emma, Editor of Sunrise Specialty. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. A good company to start with is Rheem. On 2018-02-28 by Nick. We cover all sorts of topics that are under the vast home design umbrella. When you need a smart, dependable contractor or plumber, count on our team of independent professionals for your heating, cooling and water heating needs. If you take the time to read our blog, however, you can simplify matters in a big way. However, at some point, it may break down and need repairing or even replacing entirely – and if this happens too early, you will need to know its age to see if it is still under warranty. For the purposes of working out the age, simply ignore the first digit and then read it in the same way as the second type. However, one constant is the serial number, and this usually contains the date of manufacture.
The date of production/manufacture or age of Rheem-Ruud® Water Heater(s) can be determined from the serial number. Duplicate entry '2749723' for key 'PRIMARY'.

Parent Company: Paloma State Water Heaters makes heaters that are sold under a range of brand names. Lochinvar water heaters are also sold under Energy Saver, Golden Knight and Knight brand names, and serial number on these units can be read in the same way.