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Fig. # 5
f i r e - p a r t s . c o m
STRAIGHT THROUGH WALL INSTALLATION
1) Determine the exact position of the gas stove so that the direct
vent pipe is centred (if possible) between two building framing
members. This will avoid any extra framing.
2) Carefully measure up 22-inches from the finished floor and mark
the centre of a 9-inch square or round hole. (See Figure # 6)
IMPORTANT: When locating this hole it should be noted that the
bottom of the vent terminal must be a MINIMUM of 12-inches
above grade, the top of the terminal must be a MINIMUM of 18-
inches below combustible material such as a deck or roof over-
hang and the side of the terminal must be a MINIMUM of 12-inches
away from an adjacent wall. (See Figure 10)
3) Cut a 9-inch square or round hole through the exterior wall of the
building.
4) Position the wall thimble spacer (WTS) from the inside through the
9-inch hole. (Figure 6). For walls less than 11-inches thick, the
thimble must be trimmed back flush with the exterior wall.
5) Attach the trim collar to the flanges of the wall thimble with the
screws provided.
6) The coaxial starter pipe (SK 18) may have to be cut to length
depending on the wall thickness and/or rear clearance of the
stove. Measure the wall thickness from the finished trim collar
surface to the exterior mounting surface for the vent terminal. Add
1/4 inch plus rear clearance to the wall thickness (i.e. rear
clearance of 1", add 1 1/4" , rear clearance of 3", add 3 1/4" to wall
thickness).
7) Cut both pipes to this length. Do not cut off the crimp-bead off the
5-inch inner pipe.
8) The vent pipe must be attached to the collars of the gas stove with
the bead end towards the appliance. Slide the inner 5-inch flue
pipe over top of the collar up to the crimp-bead and attach with
three sheet metal screws. Seal the joint with high temperature
silicone. Next, slide the 7-inch outer pipe over the 5-inch pipe fully
and secure to the pipe collar with three sheet metal screws. Assure
that the vent pipe is level or has a 1/4" rise for every foot of run
towards the termination.
9) Slide the appliance into place, with vent pipe centred in wall pass-
through. When the unit is properly installed, the 7-inch vent pipe
will project 3/4-inch past the outside wall surface and the 5-inch
inner pipe will extend 1-inch past that. Assure that the vent pipe is
level or has a 1/4" rise for every foot of run towards the termination.
10) Install vent terminal according to section VENT TERMINAL
INSTALLATION
Fig. # 6
7
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