Goodman furnace serial number age - Goodman Manufacturing recently issued Service Bulletin SF-063 to remind contractors that the furnace rating label for the 34.5" chassis furnaces, which contains the furnace serial number, is located on the blower door instead of the interior of the side panel in the top of the furnace.

 
Wednesday, May 20, 2020. The second two digits of the serial number are the year of manufacture of a Day & Night heat pump or air conditioner. This unit was manufactured in 2002. For units from the late 1960s thru the late 1980s, there is a different serial number code, with the single number after an initial letter being the year of manufacture.. Mr crab sparks

The GM9S920803BN Goodman gas furnace features high-quality construction and efficient operation at a great value. The GM9S920803BN single-stage, 9-speed furnace utilizes Goodman's superior heat exchanger design to provide efficient, reliable heating to your home. If you're looking to cut your energy bills and improve your comfort without breaking the bank, your search stops with the Goodman ...Example serial number styles/formats found: Style 1: JSA060103994; Back to Brand Listing. Style 1: JSA 0601 03994 ... HOA's, etc.., in determining the date of manufacture and/or age of HVAC equipment to determine the expected useful life (EUL). This web site should not be relied upon for commercial use or interpretations. Accuracy and ...Serial Number format: L943321238 (This serial number is from an actual furnace). Date of Manufacture: Using the second, third, fourth and fifth digits of the serial number L. 9433. 21238 you will find the year and week of manufacture. The second and third digits are the year of manufacture and the fourth and fifth digits are the week.Style # 3 Amana serial numbers are eight characters - all numbers - with a "-" after the first and second numbers. Example: 98- 90558. Year: In style # 3, the first and second digits together indicate the year the unit was made, so 98 means it was made in 1998. Month: N/A This style of serial number does not give you the month it was ...Goodman: Goodman serial numbers are 10 digit numerical where the month and year are encoded in the first 4 digits. The year is the first 2 and the month the second 2. For example 1404123456 is manufactured is April 2014. Rheem/Ruud: Modern Rheem systems use two styles of date encoded in the serial number.Bryant HVAC Age: Serial Number Decoding for AC, Furnace & Heat Pump; ... Goodman HVAC Age: Sequential Number Decoding for DIRECT, Furnace & Heat Pump; Trane HVAC Age: Serially Total Decoding for AC, Furnace & Heat Pump; Basics. What Is a Good CADR Rating since Air Air; Call 888-894-0154 to Receiving Free Quote …Aug 25, 2023 · If you are looking for the model number of your Goodman thermostat or control, you can find it in a few different places. 1. Check the front panel of the thermostat or control. The model number is usually printed on the front of the device, near the display or buttons. HVAC units are identified by their multiple-character model number that identifies a particular type of unit. Below you will find a partial explanation of the alphanumeric identification code (aka Model Number Nomenclature). Our samples have been simplified to concentrate more on the location of each individual units tonnage and air flow ...Look at the interior of the metal door for a label or tag listing the furnace's serial number. This may also show an actual manufacturer's date, depending on the company that made the furnace. Turn off the power to the furnace -- by either turning off the power switch or the master fuse to the unit -- and look at the fan and fan blades.How to determine the date of production/manufacture or age of Fedders® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary from …The furnace nameplate is located on a side panel behind the front panel of the furnace. Accessing the nameplate will require removal of the front door utilizing tools. If you do not feel comfortable performing these tasks, the manufacturer recommends contacting a local service professional for assistance.Rheem HVAC Age: Serial Number Decoding by AC, Dryer, Air Handlers & Heat Pump; Payments HVAC Time: Serial Number Decoding for AC, Furnace & Heat Pumping ... Goodman HVAC Old: Serial Number Decoding for AC, Furnace & Warm Pump; Trane HVAC Age: Serial Number Decoding for AC, Heating & Heat Pump; Call 888-894-0154 to Get Free Quotes From Local ...If you have installed a new cooling or heating system from Amana, you may want to view the warranty coverage on your product. Visit the Amana website and enter the product details to see the benefits of your warranty. Amana offers high-quality and energy-efficient products, such as air conditioners, air handlers, gas furnaces, heat pumps and more.York Serial Number is important to identify the date of production or age of YORK® air conditioner and furnace. The serial number (and model number) also needed when you want to check the warranty status.York serial number has sorted into two different serial numbers, the old serial number used from 1971 through 2004 and new …Nov 26, 2023 · For instance, if the serial number is 1004541123, it indicates that the unit was produced in April of 2010 (04 2010). By decoding the serial number, you can easily determine how old your Goodman air conditioner is. How to tell goodman age by serial number? To determine the age of a Goodman unit by its serial number, simply examine the first 4 ... The date of production/manufacture or age of Maytag® HVAC equipment can be determined from the serial number located on the data plate. ... Year of manufacture is 4th & 5th digits of the serial number combined. Month of manufacture is 6th & 7th digits of the serial number combined. Page last updated: 19 April 2016.Goodman ARUF182416 - Goodman 1.5 - 2.5 Ton , Multi Position- 3 Speed Air Handler- The Goodman 2006 ARUF Multi-Position Air Handler is suitable for use with refrigerants R410A and R22. This unit features a check flowrater expansion device and may be installed in a variety of locations.<br>This air handler operates with an air conditioner or heat pump of two different tonnages, The air handler ...General Electric: Age is the last 3 digits of the serial number. First digit being the year and the second and third digits being the month. Example xxxxx241 = 41st week of 1982, 92, 02 etc., xxxxx533 = 33rd week of 1985, 95, 05 etc.. _____ Goodman: First two digits of the serial number are the year. Second two are the month. Goodman AC age is found by the first two digits in the serial number. These are the last two digits of the year of manufacture. Goodman AC Age Goodman Air Conditioners and heat pumps will always have the first two numbers of the serial number as the year of manufacture. The first two numbers in the serial number are 14, so this unit was manufactured in 2014. Month of Manufacture You could tell the month of manufacture as well from the serial number by the next two numbers.1 = 1961, 2 = 1962, and so forth. Serial number example: # 76 01 98765. We can decode it as follows: “76” represents the year of manufacture. “01” represents the week of manufacture. “98765” is the sequential number of the unit. This serial number is used in units manufactured from 1970-1980. Serial number example:HVAC 101. How can I confirm the model and serial numbers for my cooling system? The model and serial number can be found on the rating plate of your air conditioner or heat pump. This is generally found slightly above the refrigerant valves on the back side of …The serial numbers of the equipment you purchased. The general information, including name, address and phone number. The name and phone number of the dealer who installed your equipment. 1. Product Info. Serial number. Model. Add Serial. Install Date/Date of Closing. helpGas Furnace. Up to 96% AFUE. Product Overview. GM9S92. ★★★★★ ★★★★★. 4.6. Up to 92% AFUE Upflow Multi-Position Installation. Product Overview. Find the best selection of Up to 98% AFUE Gas Furnaces at Goodman - HVAC products designed, engineered and assembled in the USA!York Serial Number is important to identify the date of production or age of YORK® air conditioner and furnace. The serial number (and model number) also needed when you want to check the warranty status.York serial number has sorted into two different serial numbers, the old serial number used from 1971 through 2004 and new …must be either 2” or 3” in diameter, depending upon furnace input, number of elbows, length of run and installation (1 or 2 pipes). The optional Combustion Air Pipe is dependent on installation/code requirements and must be 2” or 3” diameter PVC. ⁴ Minimum Circuit Ampacity = (1.25 x Circulator Blower Amps) + ID Blower amps.Goodman Furnace Serial Number Location On Box >>> http://shorl.com/hylykabrujyme Goodman…Furnace…Parts:…Fast…Shipping…RepairClinic.com. https://www ...Welcome to your ultimate guide for determining the age of your Goodman air conditioner. As a homeowner, it’s essential to know the age of your HVAC system to anticipate possible repairs and replacements. Luckily, you can easily discover your Goodman air conditioner’s age by decoding the serial number.The actual firing rate of the furnace is. Input = 1,000 (heating value of the gas) X 3600 (constant) / 48.0 (meter time for 1 ft3 of gas) Input = 3,600,000 / 48.0 Input = 76,000 Btu/h. In Canada, the series and rating plate input for the furnace apply to installations up to 2,000 feet (610m) above sea level.Monday, April 22, 2019. Tempstar is manufactured by International Comfort Products, LLC, and the first two numbers in the serial number (after a single letter) are the year of manufacture. So the serial number on the data plate below indicates the unit was manufactured in 2013. To determine the sixe in tons of an Tempstar system, see our blog ...If you need help determining the age of your furnace, or if you need to replace your furnace, contact Precision Heating & Air. We’re the experts you can trust when it comes to all things heating and air. We are easily contacted via phone at (770) 758-4552 or through our convenient online form.Find data label, get serial number, the year and week is likely the first couple of numbers on the serial number. (Goodman furnaces).A dealer should be involved in accessing the serial number. Additionally, many local Goodman brand dealers will affix the "traveler label" from the shipping box to the paperwork provided to a homeowner post installing a unit, making it unnecessary to physically view the serial number on the unit. The serial number is a ten digit code that ...What should pop up is a site explaining how to decode the serial number to find the manufacture's date. For example—and this is only for one manufacturer—you may learn that the serial number 7032TPW3F for your brand and model of AC means the unit was manufactured in the 3rd fiscal week of 2007, i.e. January 2007.Ameristar™ HVAC Age ... Example serial number styles/formats found: → Style 1: 16 32 3 AP91G (2010 - Present) or 9 15 3 1S41F (2000 - 2009) → Style 2: 17 23 1 0127M (2010 - Present) Legend: Year is RED; Month is GREEN; Week is BLUE; Day is ORANGE. Style 1: 16 32 3 AP91G.Serial number 0103 = 2001, March. It is now 2011 so your unit is just over 10 years old or about half its life has been used. Nordyne furnace nordyne parts list intertherm parts goodman furnace What is age of my Nordyne Air Handler serial number MU0787-00331 - Air Conditioners.I have a Goodman Manufacturing furnace, model GMP050-3, serial number XXXXXXXXXX 45,000BTU/hr. The furnace won't light - I hear the venter fan come on and it runs for about a minute, then turns off. Normally, I hear the gas burners light off about 10 to 15 seconds after the fan starts.This manual is also suitable for: View and Download Goodman GMH95 technical manual online. GMH95 Series 40'' 95% Gas Furnace. GMH95 furnace pdf manual download. Also for: Gmh950453bxa, Gmh950703bxa, Gmh950704cxa, Gmh950904cxa, Gmh950905dxa, Gmh951155dxa.HVAC; CAPF3642C6 Goodman Cased, Painted, 3-3.5 Ton, 21", Coil Dual Capf Flowrator 3.0-3.5 Ton Replacement Parts. view enlarged image in modal window. Manufacturer. Model Number CAPF3642C6. Variation CAPF3642C6DB. Description ... Established in 1995 by David M. Goodman, Goodman got its beginning as a small appliance store and repair shop. ...Saturday, July 21, 2018. The first two digits of the serial number are the year of manufacture for a Goodman heat pump or air conditioner. This unit was manufactured in 2013. To find out the age of another brand of air conditioner or heat pump, go to How do I determine the age of my air conditioner?, which has a listing of all major ...You can find the age of American Standard HVAC by decoding the serial number. The production date can be found in the first 4 or 5 digits of serial number. Here we have an example of serial number nomenclature and how read it. Serial Number #7236TPW3F - This style of serial number are used from 2000 - 2009.How to determine the date of production/manufacture or age of McQuay® HVAC Systems. ... This style of serial number was used during the period of 1964 thru 1970. Style 10: ... INC. (Including Goodman and Amana-brands) Daikin Texas Technology Park 19001 Kermier Rd Waller, TX 77484 (713) 861-2500.Hi Billy, What is the age, AFUE and BTU input of a York furnace mod#TG95O8OB12MP11A, S/N WON85011531. 2008 … read more. BillyHvac. Journeyman HVAC Tech. State Licensed Mechanical... 16,422 satisfied customers. Show more. Disclaimer: Information in questions answers, and Show Less.Simply select the brand and input the serial number as it appears on the machine, and the built-in York Serial Number Decoder will do the rest. To see the HVAC Decoder App in action, lets look at the results for one style of Luxaire serial number. Here, you must look the 2nd and 4th digits (0 and 5). Together, these digits decode to the year ...Goodman's model verification tool provides step-by-step instructions for determining if your gas furnace system is subject to this recall. Goodman will also assist consumers in gathering information on their units, including the drain pan serial number, the furnace model number and brand name, and the model number for the outdoor system.Mar 7, 2024 · Here is a breakdown of the year codes for Goodman air conditioners: Examples: Serial number starting with “01” indicates a manufacturing year of 2001. Serial number starting with “12” indicates a manufacturing year of 2012. Serial number starting with “19” indicates a manufacturing year of 2019. Serial number starting with “20 ... Products /. Air Conditioners. Goodman ® is one of the biggest names in home cooling, heating and energy-efficient home comfort. That's because Goodman lives up to its name in a big way, with time-tested energy-efficient technology, highly durable materials and spot-on manufacturing. So, no matter where you live or whether your home is small ...Locate the data plate on the lower compartment and find your serial number. The age of the unit is coded in the first four digits. Finding your Goodman AC age is easy.There is only 1 style that you will find for the goodman ac age by serial number. It looks like this: Style #1. ... Goodman AC is a budget-friendly, high-quality HVAC system. Depending on the model and tier you select, a Goodman AC unit cost between $3000 to $4275. I spent $4800 for the air handler and the condenser in Pembroke Pines, FL in 2018.The date of production/manufacture or age of Williamson Thermoflo® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: Weil-McLain a division of Marley-Wylain Company. Example serial number styles/formats found: Style 1: CP 5160092. Style 2: 7302764. Style 3: A8602779.The serial number and model number for each piece of equipment you purchased. An email address. We will use this to send you confirmation of your registration. If this equipment is in a newly constructed home: the date you closed on the purchase of this home. If this product was installed in an existing home: the date of installation.The first two digits in a Goodman air conditioner’s serial number indicate its year of manufacture. For example, “10” stands for 2010 and “19” stands for 2019. The …Goodman Air Conditioning & Heating is a leading manufacturer of HVAC products. A member of the Daikin family, Goodman offers budget-friendly systems for homeowners looking for reliable, high ...Nov 2, 2023 · You can find the age of American Standard HVAC by decoding the serial number. The production date can be found in the first 4 or 5 digits of serial number. Here we have an example of serial number nomenclature and how read it. Serial Number #7236TPW3F – This style of serial number are used from 2000 – 2009. Locate the serial number. One of the easiest ways to determine furnace age is by serial number. Most furnaces should have a sticker listing the serial number and manufacturer either on the exterior or inside the removable door on the front of the unit. When you find it, write down the serial number and search the manufacturer's site or manual ...Here is a breakdown of the year codes for Goodman air conditioners: Examples: Serial number starting with “01” indicates a manufacturing year of 2001. Serial number starting with “12” indicates a manufacturing year of 2012. Serial number starting with “19” indicates a manufacturing year of 2019. Serial number starting with “20 ...Suppose your serial number reads 'XYZ210407123.'. Here, 'XYZ' is the manufacturer-specific code, '21' indicates the year 2021, '04' stands for April, and the rest could be specific manufacturing or product codes. So, you're looking at an Intertherm furnace or air conditioner that was manufactured in April 2021.When it comes to purchasing a new furnace, finding a reliable and trustworthy dealer is crucial. After all, your furnace is an investment that will provide warmth and comfort to yo...Packaged Units. Goodman ® is one of the biggest names in cooling, heating and energy-efficient home comfort. That's because Goodman lives up to its name in a big way, with time-tested energy-efficient technology, highly-durable materials and spot-on manufacturing. So, no matter where you live or whether your home is small or large, Goodman ...How to determine the date of production/manufacture or age of American Standard® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary ...Welcome to NACHI. Amana has been bought by Goodman. Goodman states that the first two digits of the serial number are the year. Second two are the month. So it appears to be manufactured in August of 1991. Hey there, I need to determine the age of an Amana furnace. The serial # is 9108033656. I'm thinking 1991 but I need to be sure.Here is a breakdown of the year codes for Goodman air conditioners: Examples: Serial number starting with “01” indicates a manufacturing year of 2001. Serial number starting with “12” indicates a manufacturing year of 2012. Serial number starting with “19” indicates a manufacturing year of 2019. Serial number starting with “20 ...Modern Carrier equipment (that would be all gas furnaces, air conditioners, and heat pumps) use a four-digit number as the first four places of the serial number for the age of the equipment. In the example below, this unit is a 2017 model. It's also important to note that modern Carrier equipment will also have a box printed on the data ...Goodman: Goodman serial numbers are 10 digit numerical where the month and year are encoded in the first 4 digits. The year is the first 2 and the month the second 2. For example 1404123456 is manufactured is April 2014. Rheem/Ruud: Modern Rheem systems use two styles of date encoded in the serial number.The Goodman Furnace serial number is the most important piece of information you need to decide when purchasing a Goodman Furnace. Goodman furnace serial numbers come in the form “GXCC-1234”. The first 4 digits, GXCC represent the model number, and the last 6 digits represent the serial number of that specific unit. Goodman furnace …Goodman Furnace Serial Number Location On Box >>> http://shorl.com/hylykabrujyme Goodman…Furnace…Parts:…Fast…Shipping…RepairClinic.com. https://www ...We've included some images of Rheem water heater labels below for your reference, but once you've located your serial number simply enter it in, click the "Check Serial Number", and our calculator will let you know just how old your Rheem water heater really is. Enter your Serial Number below. Sample Water Heater Serial Numbers ...We'll tell you how to read the Trane serial number to figure out the age of your equipment: For units built dating back to 2010 until now, you'll need to pay attention to the first four digits. The first two will indicate the year and the next two will represent the week. For example, 1204 would mean it was manufactured in the fourth week ...Jan 10, 2023 · Style 2 – 9 Characters: 1980s. This serial number has nine numbers and does not include any letters. This style was used primarily in the 1980s. It’s pretty simple. And if you have a Payne furnace that is still running from this era – well, that’s pretty impressive! Sample Serial #: 8705 06152. VANCOUVER, BC / ACCESSWIRE / February 16, 2022 / Companies with a rich tapestry of diversity are more likely to out-perform, as well as create thr... VANCOUVER, BC / ACCESSWIRE / F...The first two digits in a Goodman air conditioner’s serial number indicate its year of manufacture. For example, “10” stands for 2010 and “19” stands for 2019. The third digit indicates week within that year, with “1” being January and “52” being December.For example, a furnace with the serial number "040852398" tells you that the furnace was manufactured in 2004 in the month of August. How do you tell the age of a Goodman furnace? You can look at the serial number to determine the age of the furnace. The first four digits represent the year and month that the furnace was made.Nov 26, 2023 · For instance, if the serial number is 1004541123, it indicates that the unit was produced in April of 2010 (04 2010). By decoding the serial number, you can easily determine how old your Goodman air conditioner is. How to tell goodman age by serial number? To determine the age of a Goodman unit by its serial number, simply examine the first 4 ... How to determine the date of production/manufacture or age of Tempstar® HVAC Systems. The date of production/manufacture or age of Tempstar® HVAC equipment can be determined from the serial number located on the data plate. Parent Company: ICP. Example serial number styles/formats found: Style 1: G051650885; Style 2: …The serial number indicates age from 1972 and later. ----- Coleman Prior to April 1992, the serial number’s first two numbers are the month, then year, then series. After April 1992, the first two numbers are the year, then month, then series. ----- Comfortmaker (International Comfort) The serial number is a letter followed by a nine-digit ...To expedite the process, we ask that you have the following: The serial numbers of the equipment you purchased. The general information, including name, address and phone number. The name and phone number of the dealer who installed your equipment. 1. Goodman ac age typically lasts 10 -15 years but there are instances when they can last much longer. Like most things, usage, maintenance, and installation type will determine how long the unit last. You can determine the age by locating the serial number that is on the data plate. Every Goodman air conditioner has a data plate on it that ... Goodman air conditioner serial number lookupGoodman nomenclature trane rooftop age lookup seer rabu juni Hvac decoderNumber air conditioner goodman system hvac serial understanding conditioning model numbers scary doesn cj60 1fb 1l makes who.The date of production/manufacture or age of Magic Chef® Brand HVAC equipment can be determined from the serial number located on the data plate. ... Inspectors, HVAC professionals, Facilities Managers, HOA's, etc.., in determining the date of manufacture and/or age of HVAC equipment to determine the expected useful life (EUL). This web site ...The recalled air handlers have serial numbers beginning with 1511, 1512, or 1601 through 1610. The serial number is located on the label found by removing the wall panel (for AWUF units) or ceiling panel (for ACNF units). The air handlers were sold at Goodman heating and cooling equipment dealers nationwide from November 2015 through October 2016.goodman serial number age. By In theory good wool dress Posted September 25, 2022. 0 ...Warranty Lookup. * Serial#. * Model. * Last Name. Zip Code. * Install Type. Residential Commercial Multi-Family. * Homeowner last name must be entered and verified to display complete limited warranty coverage.The fourth and fifth characters in the serial number are the year of manufacture for a Nortek system. So the serial number shown below on the data plate of a Nortek package heat pump indicates that it was manufactured in 2017. To determine the size in tons of a Nortek system, see our blog post How can I tell the age of a Nortek heat pump, air ...

Goodman furnace should be inspected by a qualified HVAC technician at least once per year. This check should be performed at the beginning of the heating season. This will ensure that all furnace components are in proper working order and that the heating system functions appropriately.. Jd 450c dozer specs

goodman furnace serial number age

This "How to Locate Your Furnace Model and Serial Number" video guides the viewer through how to find, identify and use the information on the manufacturer d...Description: Twelve (12) character serial number. Begins with a single letter, followed by a single number, then another single letter and ends with four numerical digits, followed by a dash (-) and five numerical digits. Year of manufacture is 4th & 5th digits of the serial number combined.To determine the date of manufacture of a Heil furnace and/or air conditioner, use the first four numbers. The first two numbers represent the year, and the 3rd and 4th numbers represent the week of manufacture. Example of Heil furnace serial number: Serial Number #L954124421. 95 = year. 41 = week.Appliance Age Finder. Use the form below to find the age of your appliance. Entering the full model number can provide increased accuracy when decoding the serial number. Be aware this tool is not meant for extremely dated appliances and is generally accurate from 1990 onwards. Image recognition is available for select brands with more on the way.Goodman: First two digits of the serial number are the year. Second two are the month. 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. ie: 36 div by 12= 3 tons. YORK HVAC DATINGA ton of air conditioning equals 12,000 BTU, and 48 divided by 12 equals 4, so the data plate below indicates the system is 4 tons. Here's a rundown of the range you will encounter: 18 = 1.5 tons, 24 = 2 tons, 30 - 2.5 tons, 36 = 3 tons, 42 = 3.5 tons, 48 = 4 tons, and 60 = 5 tons. And this is another one for a 3 ton system. must be either 2” or 3” in diameter, depending upon furnace input, number of elbows, length of run and installation (1 or 2 pipes). The optional Combustion Air Pipe is dependent on installation/code requirements and must be 2” or 3” diameter PVC. ⁴ Minimum Circuit Ampacity = (1.25 x Circulator Blower Amps) + ID Blower amps. Step 3: Look Up the Serial Number. Determine the age from the serial number if possible. Some serial numbers can be interpreted by weeks and years. So a number reading 1193CA4567 would be dated as the 11th week of 1993. Serial numbers from furnaces made after the year 2000 are often easier to decipher. For example, the serial number might have ...Ameristar™ HVAC Age ... Example serial number styles/formats found: → Style 1: 16 32 3 AP91G (2010 - Present) or 9 15 3 1S41F (2000 - 2009) → Style 2: 17 23 1 0127M (2010 - Present) Legend: Year is RED; Month is GREEN; Week is BLUE; Day is ORANGE. Style 1: 16 32 3 AP91G.The first two numbers stand for the factory where the unit was manufactured. The second two numbers are the year in which the unit was manufactured. For instance, if your unit's serial number is 1210B12345, this would mean that your unit was made in the year 2010 (12 would refer to the factory). Carrier/Bryant/Payne: This manufacturer often ...To determine the age of a Goodman AC unit, locate the unit’s serial number, usually found on the data plate or rating plate. Decode the serial number; the first four digits represent the year and month of manufacture. The first two digits are the year, and the third and fourth digits are the month. For instance, if the serial number starts ....

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