First digit being the year and the Month of manufacture is 1st digit of the serial number. Supermarket Replacement 5. First digit being the year and the General Electric: Age is the last 3 digits of the serial number. Qty. Nomenclature (UK: / n ə ˈ m ɛ ŋ k l ə tʃ ər /, US: / ˈ n oʊ m ə n k l eɪ tʃ ər /) is a system of names or terms, or the rules for forming these terms in a particular field of arts or sciences. Realize that the air handler was probably manufactured somewhere around 1996-98. ie: 36 div by 12= 3 tons. Year of manufacture 2nd digit of the serial number. Figured out the 2.5 ton rating based upon the model number. Qty. 1.5 Ton 5kw Heat Model 19HX-5 Horizontal Recessed Ceiling Fan Coil. (See chart below). Air Handling (Replacement. F = 1998 G = 1999 H = 2000 J = 2001 K … Starting in 1984, there was a four digit date code following the serial number that was month and year. Air Handling (New) 9. Description: Eight (8) character serial number begins with one (1) letter followed by one (1) numerical digit and then another letter digit and ends with five (5) numerical digits. The first letter of the serial number denotes the year of manufacture, based on the listing below. PeerlessPrior to 1984 there was not a date code included as part of the serial number. A16203. (See chart below). A16895. General Electric: Age is the last 3 digits of the serial number. Title: Microsoft Word - MODEL NUMBER NOMENCLATURE.docx Second two are the month. They supply OEM equipment to all of the major HVAC manufacturers. Add to Cart. Below you will find a partial explanation of the alphanumeric identification code (aka Model Number Nomenclature). model nomenclature 90%+ gas furnace gas furnace model number identification guide digit position 1 2 3 4 5 6, 7, 8 9, 10 11, 12 13 14 * 9 m a e 060 17 14 a 1 First Co, HVAC Equipment, including Ceiling Fan Coil HX Series, Uncased, Horizontal Recessed, 2 Ton, 5kW, Ceiling Fan Coil HX Series, Uncased,.. First Company Service Parts is one of 4 divisions of First Operations. from First Company SN for future reference. Contract Mfg 3. Newer ones are first two equals manufacturing plant #, 2nd two are year and letter in fifth slot is month. Goodman: First two digits of the serial number are the year. MODEL NUMBER NOMENCLATURE. First Company Service Parts is one of 4 divisions of First Operations. The serial number may be noted on two lines, as below, or one line. ... 006-PBC7-15IFC Pump Module for CDXQ Series Fan Coil Units. HVAC units are identified by their multiple-character model number that identifies a particular type of unit. They supply OEM equipment to all of the major HVAC manufacturers. First Company heating and air conditioning products including fan coil units, air handlers, and replacement parts. Custom (Replacement) 8. Custom (New) 4. A = 1994 B = 1995 C = 1996 D = 1997 E = 1997. Just really wanted to know how to decipher D.O.M. Btu rating is model number…ie; GMP075-3 (75,000 bonnet input) Compressor is same :serial # 9709088872 (yr1997 wk 09) Tonnage is model # CK361C The first two numbers after the CK (letters) divided by 12 is tons. They are located in Dallas, Tx at 214-388-5751. Add to Cart. Twenty-first and Twenty-second Digit: Internal Descriptor of design. Lettered Model Numbers A model number starting with two or three letters followed by the size of the unit has been used extensively and is current nomenclature policy. The first two letters designate the model series. 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