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Chimney flue liner capacity

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WHAT IS THE CAPACITY FOR NATURAL GAS A 10 INCH ALUMINUM FLUE LINER 45 FEET LONG FOR COMMERCIAL
asked in House Chimney by rabree (140 points)
edited by darekrudy
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1 Answer

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Hi Rabree,
 
Chimney liner capacity would depend on:
  • appliance’s type (natural draft of fan assisted)
  • chimney height (45’) – from the appliance connection point to the top
  • lateral  – connector’s length between the appliance and the chimney
  • connector type (single or double wall)
  • connector rise 
If you have those values you can go to Gama tables - http://icpindexing.toddsit.com/documents/003046/gama%20vent%20tab.pdf – scroll to page 19, pick one of the examples that describes your installation best, go back up to the table suggested in this particular example, and check the max capacity of a 10” liner. 
 
Let me know if you need additional help, just click “comment” below.
answered by darekrudy (21,730 points)
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