Ithaca Flues

[6pt-Sika]

If I'm not mistaken thats a Grade 1 1/2 I think . If I'm incorrect I'm sure Stan knows for certain .

[Stan Hoover]

Originally Posted by CraigThompson

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!