Installation Guide
7
Cap can be swiveled to be directed away 
from nearby objects (fence, plants, etc.), 
but must still be pointing in a generally 
downward direction. Important: Horizontal 
Caps must be pointed in a generally 
downward direction to insure rain and snow 
do not enter the cap, and cause potential 
damage to the appliance. Either vent Cap 
should be at least 6” from the wall.
C. Follow the appropriate code for proper 
distance of exit terminal from windows and 
openings-
NFPA 211 (2010 ed.) Section 10.4 Termination: 
10.4.5 (1) The exit terminal of a mechanical 
draft system other than a gas-, oil- or 
pellet-red direct vent appliance (sealed 
combustion) shall be located in accordance 
with the following:
(a) Not less than 3 ft (.92m) above any forced 
air inlet located within 10 ft. (3m).
(b) Not less than 4 ft. (1.2m) below, 4 ft. (1.2m) 
horizontally from, or 1 ft. (305mm) above 
Figure 2
Figure 3
12 INCHES
MINIMUM
APPLY HIGH 
TEMPERATURE
SEALANT COMPLETELY 
AROUND TOP EDGE OF 
STORM COLLAR
SHINGLES OVERLAP ON
TOP EDGE OF FLASHING
TEE WITH
CLEANOUT
ADAPTER
CEILING
SUPPORT/
FIRESTOP
SPACER
ATTIC
INSULATION
SHIELD
PIPE
ADAPTER
12” MIN
any door, window or gravity air inlet into any 
building.
(c) Not less than 2 ft. (0.61m) from an 
adjacent building and not less than 7 ft 
(2.1m) above grade when located adjacent to 
public walkways.
6. If it is desired to attach to an existing 6”, 
7” or 8” DuraTech, DuraPlus or DuraChimney 
chimney, either roof supported, or ceiling 
supported: (Figure 7).
A. Remove any existing connector pipe, 
WARNING
WARNING: Do not install any 
combustible insulation or other 
non-approved material inside the 
Wall Thimble. Doing so can create 
a re hazard. If desired, reference 
approved non-combustible insulation 
requirements detailed earlier in this 
text.










