How do I tell the age of a Eccotemp tankless water heater from the serial number?
Wednesday, April 21, 2021
The first two numbers of the serial number are the year of manufacture for an Eccotemp water heat. The 3rd number is the month for January thru September. The 3rd and 4th numbers are the month for October thru December. So the serial number ECC20290387 means the unit was produced in February, 2020.
To determine the age of another manufacturer/brand of water heater, go to How do I determine the age of my water heater?
Also, see our blog posts How can I determine the age of a water heater if the serial number is missing or decoding it is impossible? and What are the most common installation mistakes with water heater replacement? and Are water heaters required to be raised off the floor? and What's that powdery crust on the pipe connections at the water heater?
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