To determine the age of your Bosch dishwasher, you can usually find the serial number and production date on the appliance's nameplate. The nameplate can typically be located along the edge of the door or on the side of the dish rack. Once you locate the serial number, you can identify the production date, which usually consists of a series.. A simple way to discern BOSCH appliance serial numbers is to add 20 to value of the first and second digits. For example, FD961200000 translates to 96 + 20 = 2016 and the 12 = December so this appliance was manufactured in December of 2016.
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To determine the age of your Bosch dishwasher, check the serial number on the appliance's door panel. The first three digits indicate the production date, with the first two for the year and the third for the month. Determining the Age of Your Bosch Dishwasher Importance of Knowing Your Dishwasher's Age. On some Bosch dishwashers, this information is printed on one of the sides of the door instead, typically on the right side. The serial number is the first four digits following the letters "FD," for instance "9303." Figuring Out the Production Date.