Knight®-Lochinvar® (Outdoor Boiler)
Brands include:Â Aquas – Armor – Cadet – Copper-Fin – Copper-Fin II -Crest – EnergyRite – FTXL – Knight – Knight XL – Lochinvar – Noble – Power-fin – Shield – Squire – SYNC and others.
How to determine the date of production/manufacture or age of Lochinvar® HVAC and Water Heater Systems.
The date of production/manufacture or age of Lochinvar® HVAC equipment can be determined from the serial number located on the data plate.
Parent Company:Â Lochinvar
Example serial number styles/formats found:
The Serial Numbers shown are utilized with all Lochinvar Brand systems of Boilers, Water Heaters, Pool Heaters, etc.
Style 1:Â KJ-1000130
Style 2:Â 1142N012345
Style 3:Â J-93001
Style 4:Â A07H00123456
Style 5:Â J93-1030F
Style 6:Â M78013
Style 7:Â 5Y013
Style 8:Â 1234569708
Style 1:Â Â KJ-1000130
Year of manufacture can be determined by using the 1st letter digit.
Month of manufacture can be determined by using the 2nd letter digit.
Style 2:Â Â 1142N012345
Year of manufacture can be determined by using the 1st & 2nd numerical digits.
Week of manufacture can be determined by using the 3rd & 4th numerical digits.
Style 3:Â Â J-930001
Month of manufacture can be determined by using the 1st letter digit.
Year of manufacture can be determined by using the 3rd & 4th (the 2nd digit is a dash) numerical digits.
Style 4:Â Â A07H00123456
Month of manufacture can be determined by using the 1st letter digit.
Year of manufacture can be determined by using the 2nd & 3rd numerical digits.
Style 5:Â Â J9312030F
Month of manufacture can be determined by using the 1st letter digit.
Year of manufacture can be determined by using the 2nd & 3rd numerical digits.
Style 6:Â Â M78013
Month of manufacture can be determined by using the 1st letter digit.
Year of manufacture can be determined by using the 2nd & 3rd numerical digits.
Style 7:Â Â 5Y013
Month of manufacture can be determined by using the 1st numerical digit.
Year of manufacture can be determined by using the 2nd letter digit.
Style 8:Â Â 1234569708
The last four digits of the serial number represent the year and month of manufacture.
Page last updated: 7/28/2017
