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I have a York Diamond 90, model P3URB10N05501V, Serial ECHM528219. I need to know how old it is please.

Post created: 2015-11-25 Type of Equipment: Furnace Views: 201

This question was created on the page: https://www.furnacecompare.com/furnaces/york/diamond-90.html.

Thank you, Julie


On 2015-11-25 Eric wrote:

I found a fairly helpful chart to determine the age of the diamond 90. If you use the chart pictured below, the ECHM528219 means your unit was manufactured in EL YRIA, March 1978 or 1999. 

York Serial Number Format Style 2


On 2015-11-26 Julie wrote:

Thank you very much!!


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