Reliance® Water Heater Age by serial number
The age of your Reliance® water heater can sometimes be determined by the manufactured date located on the data plate.
The age of your Reliance® water heater can be determined by the serial number located on the data plate. Many manufacturers such as Reliance, encode the date of manufacture in their serial number.®
Reliance® Manufacturing ranks as the global leader in the manufacture of high-quality water heaters, tankless water heaters, air conditioners, furnaces, and HVAC systems for residential and commercial applications.
Reliance Water Heater Age Format 1
Sample Serial Number from data plate: B02411776

Format 1 Sample

Reliance water heaters have a very simple and straightforward serial number pattern that enables you to determine the manufacture date.
Sample Serial Number from data plate: B02411776
1st Digit = Month of manufacture
2nd & 3rd Digits = Year of manufacture
4th-9th = Manufactured Sequence
This unit was manufactured in November 2002
Reliance Water Heater Age Format 2

Format 2 Sample

Reliance Water Heater Age Format 3
Format 3 Sample
Sample Serial Number from data plate: 1518A002857
1st & 2nd Digit = Year of manufacture
3rd & 4th Digits = Week of manufacture
4th-10th = Manufactured Sequence
This unit was manufactured in April 30, 2015

Reliance® water heater life expectancy
Many homeowners want a Home Inspector to predict how long their water heater will last. This is simply impossible and beyond the scope of a Home Inspection — depending on the model, installation, maintenance, and fuel source its lifetime could be anywhere between 1 to 20 years or more.
The first step you should take when determining the water heater’s age is to check the manufacturer’s label on the side of the water heater.
The label will often include pertinent information including:
- Manufacturer Name
- Brand Name
- Manufacture Date
- Model Number
- Serial Number
If you can’t determine the installation date of the water heater, it’s worth checking to see if you’re nearing time for a replacement based on the manufactured date/age. You can use the model number in conjunction with the serial number of the unit in order to determine the water heater’s age. We have compiled a guide of the most popular water heater brands for you to use in the determination the age of the water heater.
You can also click here to learn more about Types of Water heaters.
Contact Reliance®
| Reliance Water Heater Company 500 Tennessee Waltz Parkway Ashland City, TN 37015 |
|
| Water Heater Orders: | 1-800-807-7014 |
| Water Heater Orders (FAX): | 1-800-365-3291 |
| Parts Orders: | 1-800-821-2017 |
| Parts Orders (FAX): | 1-800-644-9306 |
| Sales Department: | 1-800-553-3452 |
| Sales Department (FAX): | 1-800-821-2032 |
| Product Information Center: | 1-800-365-4054 |
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Last Updated on 2 years ago

