5056.4252155D
See Roof Pitch Table
Adjacent
Structures
or Fence
48”
(122 cm)
36”
(91.5 cm)
24”
(61 cm)
Figure 39: Vent roof clearance.
Figure 40: TCWS54D Sealing vent joints.
^ a vent shall not terminate directly above a side-walk or paved driveway which is located between two single family
dwellings and serves both dwellings*
** only permitted if veranda, porch, deck, or balcony is fully open on a minimum of 2 sides beneath the floor*
* as specified in CGA B149 Installation Codes, Note: local Codes or Regulation may require different clearances
* for U.S.A. Installations follow the current National Fuel Gas Code, ANSI Z223.1
VENT TERMINAL MINIMUM CLEARANCES TO
ADJACENT STRUCTURES
Minimum clearances to the vent terminal must be maintained as shown in Figure 38 and Figure 39. Measure
clearances to the nearest edge of termination hood.
NOTE: Vent terminal must not be recessed
NOTE: LOCAL CODES OR REGULATIONS MAY REQUIRE DIFFERENT CLEARANCES.
(minimum)
ft
m
Flat to 6/12
1.00
0.30
Over 6/12 to 7/12
1.25
0.38
Over 7/12 to 8/12
1.50
0.46
Over 8/12 to 9/12
2.00
0.61
Over 9/12 to 10/12
2.50
0.76
Over 10/12 to 11/12
3.25
0.99
Over 11/12 to 12/12
4.00
1.22
Roof Pitch Table
All outer joints of the vent pipe must be sealed with the approved "High Temperature" self-adhesive alumin-
ium tape provided. Wrap the tape completely around the joint and press firmly in place. Inner pipe does not
need to be sealed.
APPROVED “HIGH TEMP.”
SELF-ADHESIVE TAPE
(SUPPLIED)
VENT PIPE
25
TCWS54_D 021216-40
Vent Terminal Clearance
Vent Pipe Sealant
