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d) VERTICALLY INTO EXISTING MASONRY
FIREPLACE
(Refer to figure 15)
NOTE: Follow Vent chimney manufacturer‟s
instructions.
1. Have the masonry chimney inspected by a
qualified chimney sweep or installer to determine
its structural condition.
2. You will need a pipe length equal to the chimney
height from the hearth. If outside combustion air is
to be used, you will need a pipe length equal to
the chimney height plus 18 inches.
3. Install a blanking plate and the chimney pipe, and
if used the outside air pipe, as shown in Figure 13.
4. Attach the adapter, a section of pipe and clean out
tee, making sure the clean out tee is centered in
the chimney flue area. Use RTV, metallic tape,
and a minimum of three self-taping screws at all
joint connections to ensure a tight seal.
5. Position the stove, adhering to the clearances in
Figures 1 & 2.
6. Measure and build chimney top plate. Cut out holes for chimney pipe, and if used the outside air pipe. Install
and seal with non-hardening mastic to prevent water leakage. Install vent cap.
e) INSTALLATION THROUGH SIDE OF MASONRY CHIMNEY
(Refer to figure 16)
NOTE: Follow Vent chimney manufacturer‟s instructions.
1. Position the stove, adhering to the clearances in Figures 1 & 2. Mark the center of the hole where the pipe is
to pierce the masonry chimney.
2. It will be necessary to break out the masonry around the location of the pipe center mark. Use a 5-inch
diameter hole for 4-inch pipe.
3. Measure and build chimney top plate. Cut out holes for chimney and the outside air pipe.
4. Install the tee on the bottom of the vertical pipe system and lower it down the chimney until the center
branch of the tee is level with the center of the hole in the masonry, as shown in Figure 16.
5. Install and seal the top plate from step 3 with non-hardening mastic. Slip the storm collar over the pipe, and
while holding the pipe at the proper elevation, affix the collar with a minimum of three ¼” stainless steel
sheet metal screws. Seal all joints and seams around the collar.
6. Connect the horizontal pipe by pushing it through the hole in the masonry and lining it up with the branch in
the tee. Push the pipe into the tee while twisting it to lock it into the tee.
Figure 15
Venting through masonry
chimney