https://www.electrical-forensics.com/MajorAppliances/WhirlpoolDateCodes.html
Whirlpool Date Codes
Can't be sure from tables.
http://www.appliance411.com/service/date-code.php
How old is my appliance?
Brand: Whirlpool
Type: Range/Stove/Oven
Country: USA
Model: WFE540HOES1
Serial: R72817290
This product could have been manufactured on multiple dates. Personal assistance may be needed to date the product more accurately.
According to the serial number this product may have been manufactured in Ramos Arizpe, Mexico,
July of 1977 or
1987 or
2017.
Tip: Based on the model number supplied, this product design may have been introduced to the marketplace for
1978 in which case the closest date suggested above to 1978 is likely the manufacturing date for this product.
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