15
14/.
The exhaust vent pipe must extend at least 12” (300 mm) out past the exterior
wall. Seal the annular space, of the wall thimble, around the vent pipe with high
temperature silicone sealant.
15/.
Install a listed horizontal termination cap or if necessary install a 90
°
elbow and
appropriate length of vertical venting. A listed vertical vent cap is recommended
however (if local codes allow) when the vent terminates several feet above ground
level and there are no trees, plants, etc. within several feet a 45
°
elbow can be
used as a termination. The elbow must be turned down to prevent rain from
entering.
Figure 7
Figure 6
