

- #AGE OF PAYNE AC UNIT SERIAL NUMBER 1806X66912 CODE#
- #AGE OF PAYNE AC UNIT SERIAL NUMBER 1806X66912 SERIES#
Bryant was already a part of Dresser Industries. Call 90.Orthe first two letters in serial number are the month and year.A = Jan or 1970B = Feb or 1971C - Mar or 1972D = Apr or 1973E - May or 1974F = Jun or 1975G = Jul or 1976H = Aug or 1977I = Sep or 1978J = Oct or 1979K = Nov or 1980L = Dec or 1981M = Jan or 1982N = Feb or 1983P = Mar or 1984Q = Apr or 1985R = May or 1986S = 1987T = 1988U = 1989T = 1990In 1945, Dresser Industries acquired Payne and Day & Night.
#AGE OF PAYNE AC UNIT SERIAL NUMBER 1806X66912 SERIES#
Previously, it was a complex series of letters and single digits. The first alpha character is for the month of production.A-M = Jan-Dec 1969-1979N-Z = Jan-Dec 1980-1990‘I’ and ‘O’ are not usedThe second digit, a numeric character is the production yearThe balance of the numeric characters are the production sequencee.g., A912345this serial number would be a unit produced in Jan 1969P512345this unit would have been produced in Feb 1985Bryant, Carrier, Day & Night, Payne.(last 20 years or so) the first four numbers in the serial number represent the week and year. For example, a unit that came off the line on Mawould begin with 1399, week 13 of the year 1999.ANNNNNN This serial number was used from 1969 to 1990. The first 4 numeric characters are the week and year of production.

#AGE OF PAYNE AC UNIT SERIAL NUMBER 1806X66912 CODE#
The year 2000 started the numerical numbering from 00.00 = 200001 = 200102 = 2002right on thru to current date.7th thru 13th digits = Unit Identity #14th & 15th digits = Factory Code (01=OH 02=GA)CARRIERNNNNANNNNN This serial number format was used in the 1970’s through current. In this sample A represents 1980.1980 = AThis serial number style was only used during the months of April & May 1980.6th thru 11th digits represent the Unit Identity Number.Bard - June 1980 to CurrentSample number 123 H 021st three digits = Compressor Part #4th digit = MonthA = JanuaryB = Februar圜 = MarchD = April“E” was not usedF = May“G” was not usedH = June“I” was not usedJ = JulyK = AugustL = SeptemberM = OctoberN = November“O” was not usedP = December5th & 6th digits = Year80 = 198081 = 198182 = 1982Right on through. In this sample D represents April.D = AprilF = May5th digit is the year of Manufacture.

(The letter A in the Sample represents January).A = JanuaryB = Februar圜 = MarchD = AprilE = MayF = JuneG = JulyH = AugustLetter “I” was not used.J = SeptemberK = OctoberL = NovemberM = December8th digit is the year of Manufacture. In 1949, Payne, Day & Night, and Bryant bought themselves out of Dresser Industries and formed Affiliated Gas Equipment (AGE).
