The final ninth or tenth numbers equal month pro duced. The seventh & eighth number indicates year produced.
The first six numbers are production related. Lochinvar Boiler Format #7 Example: 1234569708…Built in August of 1997 Booster serial numbers have ten numbers. Lochinvar Boiler Format #6 Example: 5Y013…Built in May 1978 The Copper-Fin heaters have a number followed by a letter(s) then three numbers. The remaining three numbers are production codes. The next two numbers indicate year produced. Lochinvar Boiler Format #5 Example: M78013…Built in December of 1978 A) 1965-1983 models coded with one letter, The next two numbers indicate the year produced. Lochinvar Boiler Format #4 Example: J93-1030F…Built in September of 1993 The first letter indicates the month produced. The remaining are random production code numbers. Lochinvar Boiler Format #3 Example one: J930012…Built September, 1993 Example two: E07H00123456…Built June 2006 The first letter indicates the month. The remaining six characters are production codes. The fifth character signifies the manufacturing plant. The second two characters signify the week built. The first two characters signify the year built. Lochinvar Boiler Format #2 Example: 1142N012345…Built the 42nd week of 2011. The remaining numbers are production codes. The second letter signifies the month produced. Lochinvar Boiler Format #1 Example: KJ-1000130…Built-in September of 1993 The first letter signifies the year produced. The age of your Lochinvar Boiler equipment can be determined by the serial number located on the data plate. The age of your Lochinvar Boiler equipment can not be determined by the manufactured date located on the data plate.
Useful information to determine the production date of your Lochinvar Boiler equipment. Where to find the manufacture date of your Lochinvar Boiler equipment.
Lochinvar water heater age by serial number how to#
How to determine your Lochinvar Boiler age.
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