Vermont Casting 820 - Manual (Page 15)

15
Vermont Castings Jefferson Direct Vent/Natural Vent Gas Heater
20002191
• Side Wall Terminations: Dry fit the inner elbow
with the vertical inner vent and confirm the centerline
alignment with the wall thimble opening.
4. Attach the Inner Vent Assembly to the stove.
• Run a bead of sealant around the bottom end of
the starter pipe and attach the assembly to the stove
using three 1/4-20 x 3/8” Phillips screws provided in
the parts bag. (Fig. 18)
5. Install the Outer Adapter Pipe. Apply a 1/4” bead
of cement around the inside wall of the pipe, about
1” from the end. Insert the pipe over the stove flue
collar, keeping the vertical seam oriented to the back
of the stove. Also, be sure to align holes on the pipe
with the holes on the flue collar of the firebox.
Fasten the pipe to the holes in the flue collar with the
#12 x 1/2” sheet metal screws provided. (Fig. 19)
CEM
EN
T
First Section of
Vent Pipe
1/4”-20 x 1/2”
Phillips Screw
3” Inner
Starter
Pipe
ST211
Fig. 17 Connect the inner starter with the next section of
inner vent pipe.
Fig. 18 Attach inner assembly to flue collar.
ST212
CEMENT
ST213
Fig. 19 Fasten outer pipe with #12 x 1/2” sheet metal screw.
Install the Vent Adapter Pipe
(Simpson Dura-Vent Components)
1. Install the Restrictor Plate. Consult the ‘Vent Run
Specifications’ on page 8 to determine whether the
restrictor plate is needed. If so, put the restrictor
plate in place within the inner flue collar as shown in
Figure 16.
2. Discard the inner starter pipe shipped with the
logset. Using the starter pipe assembly listed on
page 7, slide the inner section out to allow access.
• Run a bead of sealant around the bottom end of
the starter pipe and attach the assembly to the stove
using three 1/4-20 x 3/8” Phillips screws provided in
the parts bag. (Fig. 20)
3. Install the Outer Adapter Pipe. Apply a 1/4” bead
of cement around the outside surface, about one
inch from the crimped end. (Fig. 21) Orient the
vertical seam to the rear, and insert the crimped end
of the outer pipe into the flue collar. Fasten with
three sheet metal screws provided.
ST355
Fig. 20 Simpson Dura-Vent - install inner adapter pipe.
CE ME NT
Inner Adapter
Pipe
1/4-20 x 3/
8 Phillips
Screws