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AP18733 REV. 3.2.17
39
Figure 16 –Common Vented Direct Vent Congurations
WARNING
All vent pipes must be glued, properly supported, and the exhaust must be pitched a minimum of ¼" per foot back to the appliance to allow
drainage of condensate. When placing support brackets on vent piping, the rst bracket must be within 1 foot of the appliance and the balance at
4 foot intervals on the vent pipe. Appliance venting must be readily accessible for visual inspection for the rst three feet from the appliance.
NOTE: This drawing is meant only to demonstrate system venting. The installer is responsible for all equipment and detailing required by
local codes. For sidewall applications, terminate the outlet on the exterior wall at least 12" above the ground, or as required by local building
codes. In areas of high snowfall, protect both sidewall and roof vent terminations from blockage by installing at least 12" above the maximum
anticipated snowfall accumulation.
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