Age please?

Specific Inspection Topics Inspecting HVAC Systems
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Weil-McLain gas fired boilers #CP1307347 & #CP1162709

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Try this.

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Here’s a good site also…http://hisearch.org/hvac.aspx

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CP1307347 is ca. sometime in the first half of 1987 and CP1162709 is ca. sometime in the last half of 1986.