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Burnham IN11 Header Question

crash2009crash2009 Member Posts: 1,484
I dug up these old pictures here on the wall.  As I understand it this is the header on a Burnham Independence (IN11).  According to the piping chart, in the Burnham manual, riser 1, should be 2" and drop into 3".  This 1 doesn't drop, it comes in from the side.  I was thinking that something looks screwey here but I am lost for words.

Does it make any difference if riser 1 comes in from the side of the header?  Assuming this is normal, after 1 and 2 enter the header, How far apart should they be?


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