How To Read Lennox Model Numbers. Web numerals denote the following information: This type has 4 digits, a letter, and four other digits.
Lennox Model Number Nomenclature
Use of proper unit identification numbers and serial numbers will greatly help in expediting any material required for these products. This type has 4 digits, a letter, and four other digits. All lennox product is build with a systematic coding system for both model and serial numbers. Use the table below to find the month of manufacture. This is the revision number. #5120l13681 (ten (10) character serial number begins with four (4) numerical digits followed by one (1) letter and ends with five (5) numerical digits. Web how to read lennox model numbers. This number indicates a slight. The second two digits are the year and the letter is the month of manufacture. Better known as the dash number.
This is the revision number. #5120l13681 (ten (10) character serial number begins with four (4) numerical digits followed by one (1) letter and ends with five (5) numerical digits. Lennox ax label type 1 type 1 this is the most common type. A numeral following the letter d or q and preceding the dash indicates air movement capabilities in tons. The second set of numbers on every lennox model is the serial number and usually starts with “a”. The second two digits are the year and the letter is the month of manufacture. This type has 4 digits, a letter, and four other digits. The first set of numbers, following the lennox® name, is always the series number. This is the revision number. Web numerals denote the following information: Use the table below to find the month of manufacture.
