Eternal GU125T, Installation And Operation Manual

Page: 20 / 39

20
Vertical Termination
Below diagrams are examples of vertical terminations.
Through roof (Direct Vent) Through roof (Concentric Vent)
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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
! !
Through roof (Power Vent)
Minimum twelve (12) inches above anticipated
snow level.
The termination cannot be connected to an 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 19.
Eternal can be vented straight up and a horizontal
section is not required for vertical terminations.
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NOTICE
! !
An open tee is recommended to use as a
termination to alleviate and prevent back
pressure in the venting system.