## A.O. Smith Water Heater Serial Number Lookup
### Introduction
An A.O. Smith water heater is a reliable and efficient way to heat your home’s water. However, over time, water heaters can develop problems that require service or replacement. To ensure that you get the best possible service for your water heater, it is important to know the serial number of your unit. The serial number can be used to identify the model and age of your water heater, which will help technicians to diagnose and resolve any problems that you may be experiencing.
### Where to Find the Serial Number
The serial number for your A.O. Smith water heater is typically located on a label attached to the side or back of the unit. The label will also include other important information, such as the model number and the date of manufacture.
### Serial Number Lookup
Once you have found the serial number of your A.O. Smith water heater, you can use it to look up information about your unit on the A.O. Smith website. To look up your water heater, visit the following website:
https://www.aosmithwaterheaters.com/serialnumberlookup
On the website, you will be able to enter your serial number and find information about the following:
Model number
Age of the unit
Warranty information
Service history
### Troubleshooting Tips
If you are experiencing problems with your A.O. Smith water heater, you can use the serial number to troubleshoot the problem. The following are some troubleshooting tips:
If your water heater is not heating water, check the following:
The power supply to the unit
The gas supply to the unit
The thermostat setting
The heating element
If your water heater is leaking, check the following:
The seals around the tank
The drain valve
The pressure relief valve
The anode rod
If you are hearing strange noises from your water heater, check the following:
The heating element
The anode rod
The water pump
If you are unable to troubleshoot the problem yourself, you should contact a qualified technician.
### Conclusion
The serial number of your A.O. Smith water heater is an important piece of information that can help you to get the best possible service for your unit. By knowing where to find the serial number and how to use it to look up information about your water heater, you can ensure that your unit is running efficiently and safely.