Heatilator 3620 with 90 degree elbow?

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Wince_71

New Member
Hearth Supporter
Sep 12, 2007
2
I have an old Heatilator 3620 fireplace and I was wondering if I could use a 90 degree elbow to go straight out the wall and then up the outside of my house instead of the 45 degree elbow that the manual suggests?
 
Is this a an open face wood fireplace? Gas? Stove?

Basically if the manual shows approved venting parts, whatever it shows is what you can use, nothing else.
 
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