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04-24-2013, 05:30 PM #1
Whirlpool Heat Pump Date Code Help
Whirlpool heat pumps are not in the usual data base I use. Can someone please
help me with deciphering these.
Outdoor coil 1603G40400
Air Handler 6005E46764
Thank you
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05-01-2013, 05:54 AM #2
Re: Whirlpool Heat Pump Date Code Help
It would help if you have a rough idea of the age. I am not familiar with that number series, but as a guess it could be 2004 based upon the 4 in each number after the letter. Since 2003 Lennox has produced equipment under the Whirlpool name for Tradewinds Distribution LLC, a subsidiary of Watsco Inc. I believe that Heil-Quaker stopped using the Whirlpool name in 1987. I'm not sure if it was used between those dates.
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