Thread: Ithaca Flues
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Unread 10-28-2022, 01:49 PM   #8
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Stan Hoover
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Quote:
Originally Posted by CraigThompson View Post
If I'm not mistaken thats a Grade 1 1/2 I think . If I'm incorrect I'm sure Stan knows for certain .
I'm fairly certain that is a Grade 1, I would have to take look in the catalogs or Walt's book to confirm.

It would be definitely stamped on the water table if one wanted to know for sure!
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