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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

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  #1  
Old 4/17/07, 8:27 PM
Harry V. McBride, III's Avatar
Harry V. McBride, III Harry V. McBride, III is offline
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Default Lennox age

Hey guys anyone have the ability to tell me the age of these units.

Compressor
LENNOX M/N: 12HPB30 S/N: 5801M36993
Air Handler:
LENNOX M/N: CB30M-41-1P S/N: 5801A 07829
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Old 4/17/07, 9:36 PM
Buck Hartley, CMI's Avatar
Buck Hartley, CMI Buck Hartley, CMI is offline
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Default Re: Lennox age

2001
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Old 4/17/07, 10:15 PM
Harry V. McBride, III's Avatar
Harry V. McBride, III Harry V. McBride, III is offline
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Default Re: Lennox age

Sure about that?
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Old 4/17/07, 10:34 PM
Ted Allen Ted Allen is offline
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Default Re: Lennox age

Lennox: Either the first two or second two digits are the year, it varies by era, but most of them actually have a separate sticker somewhere that has the year printed on it. Newer ones are first two equals manufacturing plant #, 2nd two are year and letter in fifth slot is month (A thru M minus I). So 5898G 07568 would be Plant # 58, Year of MFR would be 98 and month would be July.

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Old 4/18/07, 1:09 AM
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Russel Ray Russel Ray is offline
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Default Re: Lennox age

December 2001

January 2001



NACHI 2005 U.S. Member of the Year
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