Install Instructions
15
Figure 13: Attic Offset
Figure 12: Vertical Vent Tee Installation
Figure 14: Vertical Vent Termination
Table 9: Minimum Vent Height Above Roof
Roof Pitch Minimum Height [H]
Flat to 6/12 1 ft.
Over 6/12 to 7/12 1 ft. 3 in.
Over 7/12 to 8/12 1 ft. 6 in.
Over 8/12 to 9/12 2 in.
Over 9/12 to 10/12 2 ft. 6 in.
Over 10/12 to 11/12 3 ft. 3 in.
Over 11/12 to 12/12 4 ft.
Over 12/12 to 14/12 5 ft.
Over 14/12 to 16/12 6 ft.
Over 16/12 to 18/12 7 ft.
Over 18/12 to 20/12 7 ft. 6 in.
Over 20/12 to 18/12 8 ft.
V. Venting (continued)
6. Install Vent Terminal. See Figure 14.
a. Locate roof opening to allow vertical vent
penetration. Size opening to maintain minimum
clearance from combustible materials.
b. Installroofashing.
c. Extend vent pipe to maintain minimum height
[H]aboveroofasspeciedinTable9.Vent
terminal must be minimum 2 feet horizontally
from roof surface and minimum 8 feet from any
vertical wall or similar obstruction. Provide
bracing as required in Table 9.
d. Install storm collar on vent pipe immediately
aboveashing.Applysealantbetweenventpipe
and storm collar.
e. Attach Vent Terminal.
7. Install condensate drain line. Use 3/8 inch i.d. high
temperatureexibletubingsuchassiliconerubber
or EPDM. See Figure 12.
a. Form condensate trap with 6 inch diameter loop.
Secure loop with plastic cable tie. Fill with
water.
b. Secure to vertical vent tee with hose clamp or
plastic cable tie.
c. Runcondensatedrainlinetooordrainor
condensate pump. Condensate disposal must be
acceptable to authority having jurisdiction.