Eternal GU145 (S), Operation Manual

Page: 23 / 59

23
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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Pipes must terminate a minimum of 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 22.
Eternal can be vented straight up and a horizontal
section is not required for vertical terminations.
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WARNING
! !
An open tee is optional but recommended to
use as a termination to alleviate and prevent
back pressure in the venting system.
The Grand Hall approved concentric kit is a unique
pipe-in-pipe venting system designed for termination.
Do not try to replicate or make your own. For more
information, please refer to
Concentric Vent Kit
section in the Operation manual.
WARNING
! !