Where is serial number on Rinnai tankless water heater?

Your model number and serial number can be found on the left side panel of your Rinnai Tankless Water Heater.

Where is the serial number on my Rheem tankless water heater?

Rheem tankless water heaters place the serial number in the inside of the heater body on the right side. Serial number plates for Rheem heat pump water heaters are located on a label on the upper left side of the system.

Do water heaters have serial numbers?

Check for a manufacturer label on the side of your water heater — this should include the installation date. If the label is missing, or the installation date is not listed, you can use the serial number to determine the age of your unit.

What does a Rinnai serial number look like?

There are two different formats for a Rinnai serial number. The first one was used until mid-2009, with an example shown below. The first two digits are the year and the second two digits are the month of manufacture. The manufacture date may also be stated after the serial number.

Where can I find the model number on my water heater?

Locate Your Water Heater Model & Serial Number Your model number and serial number are located on the rating plate on your water heater. This is where you’ll find the rating plate with your model number and serial number on your water heater. The rating plate example above shows the model number in blue and the serial number in yellow.

What is the serial number on an OA water heater?

The remainder of the serial is a sequential production number, seven digits in length before December 2007 (DM), and eight digits in length after. Due to a computer error there were some OA serial water heaters manufactured. They were built in January of 1997.

How do I tell the age of a Rinnai Water Heater?

The manufacture date may also be stated after the serial number. Starting in late 2009, it was switched to a letter-code, with first letter of the serial number being the year and the second letter the month of manufacture. So the serial number above indicates the water heater was manufactured in January, 2013.

How to find and read your Rheem water heating serial number?

The serial number identification on all Rheem water heating product rating labels contain ten (10) digits. 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.

Where do I find the serial number on my water heater?

This is where you’ll find the rating plate with your model number and serial number on your tankless water heater. The first two characters of the serial number represent the year and month of manufacture.

The remainder of the serial is a sequential production number, seven digits in length before December 2007 (DM), and eight digits in length after. Due to a computer error there were some OA serial water heaters manufactured. They were built in January of 1997.

The manufacture date may also be stated after the serial number. Starting in late 2009, it was switched to a letter-code, with first letter of the serial number being the year and the second letter the month of manufacture. So the serial number above indicates the water heater was manufactured in January, 2013.

The serial number identification on all Rheem water heating product rating labels contain ten (10) digits. 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.