Valor 530XAN Installation And Owner's Manual page 16

4.2.17 Top vent connection, vertical vent rise with
offset and through the roof termination
(Fig.21)
For situations where offset is necessary in an attic to avoid
obstructions or allow useful space.
Adapter #817VAK, two 45° vent elbows, wall straps, a vertical
vent terminal, roof flashing and pipe lengths will be required.
Various other ceiling or roof items may be necessary depending
on the particular installation (see venting options section of this
manual).
Figure 21
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