Eternal GU145 Series, Installation And Operation Manual

Page: 21 / 54

21
Vertical Termination
Below diagrams are examples of vertical terminations.
Through roof (Direct Vent) Through roof (Concentric Vent)
Through roof (Power Vent)
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Minimum twelve (12) inches above anticipated
snow level.
It cannot be connected to existing vent piping or
chimney.
The total vertical and horizontal runs cannot exceed
the maximum length with a maximum number of 90
degree elbows as speci
 ed in the table of page 20.
Eternal can be vented straight up and horizontal
section is not required for vertical terminations.
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WARNING
! !
An open tee is optional and can be
used as termination to alleviate back
pressure in the venting system in areas
experiencing abnormally high winds