Find the letter in the middle of the serial number. Does a water heater need a shut-off valve? Why do water heaters have a sacrificial anode? Can the temperature and pressure relief (TPR) valve discharge pipe for a mobile/manufactured home water heater terminate under the home? Rheem water heater age. • What is the difference between a regular water heater and a power vent water heater? Serial number styles/formats found are: →Style 1: 08 84 B10488 (Serial Number begins with a prefix between one to four letters in length – i.e. • What does it mean when a water heater Temperature/Pressure Relief (TPR) discharge pipe is "trapped"? • Why has the thermostat screen gone blank? It also has important information like … In no event will Building Intelligence Center or its representatives be liable for any loss or damages whatsoever for consequential, incidental, indirect, special, or tort damages of any kind, including but not limited to loss of data, lost profits, business interruption, loss of business information, or other pecuniary loss that might arise from the use of or reliance on the information provided within. Your financial support is greatly appreciated to help us to continue maintaining this site! Please browse the product types below for specific details on locating a model or serial number: Tank-Type. • When was a gas water heater first required to be elevated 18 inches above a garage floor? The 0R177 is the factory code, and the M is the plant line code. My air conditioner won't turn on. The third and fourth numbers in the serial number, usually after several letters, is the year of manufacture of a Rheem water heater. Does an electric water heater require a disconnect? • Does an old air conditioner use more electricity as it ages? Why is there water in my water heater drain pan? For the age of another brand or manufacturer, go to our blog post, And to get the size of your Rheem system, go to, And to figure out what all the other numbers listed on the condenser data plate mean, go to our blog post. • Where are gas water heaters not allowed to be installed? Sample Water Heater Serial Numbers • Why does it take so long to cool a house when an air conditioner has been off for a while? • Is it alright to have a shut-off valve on both the hot and cold water pipes at a water heater? How can I tell whether the condenser (outdoor unit) is an air conditioner or heat pump? Why is my water heater making strange (rumbling, gurgling, knocking or banging) noises? >>. © McGarry and Madsen. 03/94” confirms it. Your use of any such or similar incorporeal property is at your own risk. What is backdrafting at a gas water heater? Parent Company: Paloma. • Does a water heater need a shut-off valve? The date of production/manufacture or age of Rheem® HVAC equipment can be determined from the serial number located on the data plate. • What is the purpose of a thermostatic mixing valve above a water heater? What's wrong? ALL Content ©2020. So the manufacturer’s data plate below indicates that it was made in 2001. Is it alright to have a shut-off valve on both the hot and cold water pipes at a water heater? The month and year of manufacture is also indicated at the upper right of the data plate. Does a tankless gas water heater still work with no electricity during a power outage? Here’s links to a collection of more blog posts about WATER HEATERS: • Are water heaters required to be raised off the floor? Selecting this will disable this pop up for 30 days if cookies are enabled and not cleared. How do I determine if a water heater is gas or electric? What can I do to make my water heater last longer? 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.. With a Rheem water heater, once you have located the rating plate, you need to find the serial number, which will be made up of 10 numbers and letters. What does the HUD tag look like and where do I find it on a mobile home? For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner? The serial number identification on all Rheem water heating product rating labels contain ten(10) digits. Check out the innovative products featured in the show. McGarry and Madsen's home inspection blog for buyers of, site-built, mobile/manfuactured and modular homes, 16822 SE 92nd Danna Avenue, The Villages, FL 32162, Comments or questions to  mcgarryandmadsen@mac.com, While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector. • What's the valve with the flip-up handle on the water heater for? • Is a catch pan and drain piping required for a replacement water heater? If you’re in the need for service for your Rheem water heater, then click here to find a nearby, independent Rheem Pro with our Find a Pro tool. Why is the water heater older than the house? What does it mean when a gas appliance (water heater, furnace, or range) has been "red tagged"? Where is the air filter for my central air conditioner and furnace? For example, if a Rheem air conditioner uses the Style 2 format, a sample serial number would be 0R177 M2807 00097. The circled area in the examples show where you can find your water heater’s serial number. Newer Rheem water heaters, like the one with the label below, make it easy for you: the manufacture date is stated to the right of the serial number. Their use here does not imply that you may use them for any purpose other than for the same or a similar informational use as contemplated by the original authors of these articles under the CC-BY-SA and GFDL licensing schemes. When was a gas water heater first required to be elevated 18 inches above a garage floor? Rheem 11-character serial number code with plant code: MMYY P123456 MM YY are month and year of manufacture, P is a plant code. What is the difference between a regular water heater and a direct vent water heater? • Can you wire a 240-volt water heater with 120 volts? Any of the trademarks, service marks, collective marks, design rights or similar rights that are mentioned, used or cited in the articles of the Building Intelligence Center (www.buildingcenter.org) are the property of their respective owners. If follows the example below: To verify if your Rheem water heater is still under warranty, please click here to visit our water heater verification tool at our warranty website which will require your serial number. We are not affiliated with, and do not receive any compensation from, any of the companies or products mentioned in this blog. What is wrong with an air conditioner when the air flow out of the vents is low? So the manufacturer’s data plate below indicates that it … What is the purpose of a thermostatic mixing valve above a water heater? This guide is intended to assist Commercial/Residential Building Inspectors, HVAC professionals, Facilities Managers, HOA’s, etc.., in determining the date of manufacture and/or age of HVAC equipment to determine the expected useful life (EUL). Your serial number u0003is required for verification. • How does a hydronic heating system work? For more information, see our Privacy Statement. • Does a tankless water heater in an attic require a drain pan? Also, construction methods and materials vary in different parts of the country and it is possible that important issues related to your area may not be covered here. • What does it mean when a gas appliance (water heater, furnace, or range) has been "red tagged"? Can a Temperature and Pressure Relief (TPR or T&P) valve be mounted to discharge horizontally? Why is an older water heater an insurance problem? • What is backdrafting at a gas water heater? What are the most common problems with wall/window air conditioners? Is the minimum size water heater inlet pipe 1/2" or 3/4" according to the building code? If follows the example below: • Will closing doors reduce my heating and cooling costs? • Does a tankless water heater require a pressure relief valve? To determine the age of another manufacturer/brand of water heater, go to How do I determine the age of my water heater? • Why is there water in my water heater drain pan? • Is the minimum size water heater inlet pipe 1/2" or 3/4" according to the building code? Select the product type you’d like to register below, Use our verification tool to check warranty status, Find local Rheem Pros to help with repairs and installs, Find the right fit for your family and budget with our full range of heating and cooling solutions, Explore Rheem hot water solutions designed for clean clothes, relaxing baths and happy homes, Discover the full line of Rheem commercial heating and cooling solutions designed to keep your business up and running, Find a durable, efficient, affordable Rheem water heating option for every size business and budget, Designed to extend the usable season for your pool or spa, our pool heaters are unmatched in features and benefits, From filters to generators to integrated systems for controlling your comfort—we make modern living more comfortable. Rheem 11-character serial number code with plant code: MMYY P123456 MM YY are month and year of manufacture, P is a plant code. The 28 is the week that unit was made in the production year, which is … Select the product type you’d like to register below, Use our verification tool to check warranty status, Find local Rheem Pros to help with repairs and installs, Find the right fit for your family and budget with our full range of heating and cooling solutions, Explore Rheem hot water solutions designed for clean clothes, relaxing baths and happy homes, Discover the full line of Rheem commercial heating and cooling solutions designed to keep your business up and running, Find a durable, efficient, affordable Rheem water heating option for every size business and budget, Designed to extend the usable season for your pool or spa, our pool heaters are unmatched in features and benefits, From filters to generators to integrated systems for controlling your comfort—we make modern living more comfortable. Are water heaters required to be raised off the floor? Rheem® HVAC Age How to determine the date of production/manufacture or age of Rheem® HVAC Systems. Does a refrigerator water supply line require a shutoff valve behind it? By continuing to use this website, you agree to our use of cookies. • How did homes stay cool in Florida before air conditioning? The date of production/manufacture or age of Rheem® Water Heater(s) can be determined from the serial number.