Installation Guide
5
not eliminate the need for inspection and 
cleaning. During the heating season, inspect 
monthly, and clean at least once a year.
PERMITS
Contact your local building department or 
re ocials regarding any needed permits, 
restrictions, and installation inspection 
requirements in your area.
GENERAL INSTALLATION 
INSTRUCTIONS
PelletVent is listed with a minimum 1” 
clearance to combustibles. Refer to Table 1 
for framing requirements needed for these 
components.
1. Follow the stove/appliance manufacturer’s 
instructions.
A. Choose an appliance that is listed by a 
recognized testing laboratory.
B. Connect only one ue per appliance.
C. Follow the appliance manufacturer’s 
instructions and safety manual for maximum 
eciency and safety. Overring can damage 
the appliance and vent.
2. If the vent exit is on top of the stove 
(Figure 1):
A. Place the appliance according to the 
manufacturer’s instructions.
B. Drop a plumb bob to the center of the 
appliance ue outlet and mark center point 
on the ceiling, cut a square hole in the ceiling 
for the Ceiling Support Firestop Spacer. Refer 
to Table 1 for the dimensions of the hole.
C. Connect Pipe Adapter to stove: Attach 
each section of pipe by pushing male and 
female ends of pipe together and twisting 
until pipe is in locked position.
D. When the pipe passes through the Ceiling 
Support Firestop Spacer at ceiling, tighten 
bolt and clamp around pipe.
E. Always maintain at least 1" clearance 
from combustible materials. Where the 
chimney passes through additional oors 
and ceilings, always install a Ceiling Support 
Firestop Spacer.
F. When the PelletVent enters the Attic, install 
an Attic Insulation Shield around the vent 
(Figures 1 & 3). This will prevent insulation 
and debris from collecting near the vent pipe. 
Use (4) wood screws to secure the base of the 
Attic Insulation Shield to the framed opening. 
Adjust the height of the Attic Insulation 
Shield by sliding the top cylindrical shield 
over the one from the base. Insure that the 
top of the Shield is above the level of building 
insulation. Secure the Shield in place with at 
least two (2) sheet metal screws through the 
side of the cylindrical shield. Attach collar 
around the top of the Attic Insulation Shield.
G. After lining up for the hole in roof, using 
the same method as 2.(B), cut either a round 
or square hole in the roof. Always cut the 
hole with the proper clearance to sides of 
Flashing under the roong materials and nail 
to the roof along the upper edge. Do not nail 
across the lower edge. Seal all nail heads with      
non-hardening waterproof sealant.
H. To nish, apply high-temperature non-
hardening RTV waterproof sealant where the 
Storm Collar will meet the vent and Flashing; 
slide Storm Collar down until it sets on the 
Flashing, put the Cap on and twist to lock 
(Figure 2).
3. If the ue exits on back of stove and an 
interior installation is desired (Figure 3):
A. Place the appliance according to the 
manufacturer’s instructions.
B. Connect and seal a Pipe Adapter to the 
back of the stove and attach a Tee to Pipe 
Adapter, align, push together and twist to 
lock.
C. Continue to assemble pipe as described in 
Step 2.
4. If the ue exit is on the back of stove, and 
an exterior vertical installation is desired 
Figure 4):
A. Place the appliance according to 
manufacturer’s instructions.
B. Cut a square opening in the wall in 
accordance with the dimensions in Table 
1. The black portion of the Wall Thimble is 










