Originally Posted By: rwills
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Anyone know how to decipher an old Whirlpool Heating/Cooling system serial number for age? The A/C number is H23667330 The Heating unit Serial# is H30222119. I know it’s fairly old but was hoping to zero in a little closer! Thanks, BW
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Bob Wills - MAB Chairman
BW Inspection Services
Warminster, Pa.
http://www.bwinspections.com