Determine John Wood Water Heater Age

The date code can also be found in the serial number.

Determine john wood water heater age.

Wednesday april 22 2020 the first two numbers of the serial number after a single letter are the year of manufacture for a john wood water heater. Adddyyb12345678912 where dddyy is a julian date written in reverse of the more common yyddd example 1. 1001x4567 october 2001. For everyone else keep reading to see how easy it is to find your water heater s manufacture date.

Decoding the serial number. The date of production manufacture or age of john wood water heater s can be determined from the serial number. Energy saver golden knight knight. How can i tell the age of a john wood water heater from the serial number.

1 st 2 nd number year 3 rd 4 th number month. Open question john wood serial numbers contain a lot of information including when the heater was manufactured. The date code can be found in the serial number. If you have a newer model the water heater age is sometimes clearly printed on the manufacturer s label affixed to the unit.

Amtrol encodes the heater s age in the serial number. The date of production manufacture or age of bradford white water heater s can be determined from the serial number. Newer amtrol water heating units age decoder. A02501b12345678912 decodes to day 025 january 25th and year 2001.

Serial number styles formats found are. From your john wood water heatre s serial number. This can be determined by looking at the first four numbers ignoring any letter that may start the serial number. 8901xxx made in the year 1989 in the first month january.

Check for a manufacturer label on the side of your water heater this should include the installation date. John wood gsw moffat superflue medal. John wood water heaters have a ten digit serial number. Serial 1 st 4 digits.

Rheem water heaters have a ten digit serial number the first 2 digits are the month of manufacture and the next 2 digits are the year. So for example s 11 12f601242 would mean it was produced in 2011. The age is of a john wood water heater is usually encoded in either the first four digits recent heaters or the last four digits older john wood heaters of the serial number. 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.