Determine Rinnai Tank Age Using the Serial Number
Finding your Rinnai tank age and manufacturing date is easy, all you need is its serial number.
Tankless water heaters typically have a useful life of 15-20 years with regular maintenance. If you need to find out the age of your Rinnai tankless water heater, we have a simple guide for you. The serial number on your water heater can be used to determine the Rinnai tank age with ease.
The serial number of your Rinnai tankless water heater can be found on the unit’s rating data plate.
There are three formats for serial numbers that we will help decode to find your Rinnai tank age:
Format 1: CD. CA-061205
Format 2: 05. 04-103630
Format 3: 06074363
Legend: The year is GREEN, the month is RED.
Decoding Format 1: BL. CA-061205
This serial number format has been used by Rinnai since 2009.
The year of manufacture can be found using the first letter in the serial number.
The month of manufacture can be found using the second letter in the serial number.
Example: CD. CA-061205 – A Rinnai product with this serial number was manufactured in April (D) of 2011 (C).
Decoding Format 2: 05. 04-103630
This serial number format was used by Rinnai before 2009.
With this format, the year of manufacture can be determined using the first and second digits (before the period) of the serial number.
The month of manufacture can be determined using the third and fourth digits of the serial number.
Example: 05. 04-103630 – A Rinnai product with this serial number was manufactured in April (04) of 2005 (05).
Decoding Format 3: 06074363
This serial number format was used between 1999 and 2008.
Using this format, the year of manufacture can be determined using the first and second digits of the serial number.
The month of manufacture can be determined using the third and fourth digits of the serial number.
Example: 06074363 – A Rinnai product with this serial number was manufactured in July (07) of 2006 (06).
We hope that our guide helped you determine your Rinnai tank age with ease! If you have an aging water heater that’s in need of replacement, look no further. For further questions about your water heater or other HVAC related concerns, don’t hesitate to contact us today. Our goal at DeMark Home Ontario is to make upgrading to a new water heater as simple and convenient as possible. Our customers get the lowest rental rates on the market for top-of-the-line heating and cooling equipment with professional and reliable service.
Give us a call at 1 (855) 998-2998 or fill out our online request form and we will be happy to assist you with your request.
