Vermont Casting 3930, SDVR, PDV20: 3920, 4075, 4070, 3976 Side Wall Termination Assembly, 20007066

Models: 3966 4080 3926 3936 3960 3970 4065 3976 4070 3930 4075 PDV20: 3920 SDVR

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Side Wall Termination Assembly

Pinnacle & Stardance Direct Vent - Rear Vent Gas Heaters

4.Attach the elbow to the starter pipe.

Run a bead of sealant about 1/2” from 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. 22)

5.Install the first elbow and secure using three sheet metal screws. Insert the elbow over the stove flue collar. 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. 23)

Inner Flue Collar

Vent Starter Pipe

Inner Elbow

Seal all around crimped end

ST398b

Fig. 22 Install inner starter pipe and inner elbow.

ST479a

Fig. 23 Fasten outer pipe with #12 x 1/2” sheet metal screws.

Side Wall Termination Assembly

1.Locate the vent opening on the wall. Refer to Figures 20 & 21, to determine the minimum centerline of wall opening. It may be necessary to first position the stove and measure to find the hole location. Depending on whether the wall is made of combustible materials, cut the opening to the size shown in Figure 24. Combustible wall openings must be framed as shown in Figure 24.

Vent Opening - Combustible Wall

9³⁄₈"

(240mm)

9³⁄₈"

(240mm)

Vent Opening - Noncombustible Wall

7¹⁄₂"

(191mm)

VO584-100a

Fig. 24 Locate vent opening.

2. Measure the wall thickness and cut the wall sleeve sections to proper length (MAXIMUM 12”). As- semble the sleeve with the #8 sheet metal screws supplied. Attach the firestop plate to the sleeve end with the holes. (Fig. 25) NOTE: The wall sleeve is required in combustible walls only.

3.Install the Wall Firestop/Sleeve assembly into the wall cutout and fasten the firestop to the wall cutout framing members. (Fig. 25)

12”

 

(305mm)

Sleeve

Max. Length

 

#8 Sheet

 

Metal Screws

Firestop

ZCS103

 

Fig. 25 Assemble the wall sleeve and firestop.

 

4.If necessary, measure to determine the vertical length (X) of pipe required from the first (transition) elbow to the wall cutout centerline, including a 2” overlap at the joint. (Fig. 26) Use a hacksaw or tin snips to trim the pipe as needed.

5.Install first the inner then the outer straight pipe section(s), trimmed end down, to the point of the elbow. Drill 3 holes through each joint and fasten with sheet metal screws.

6.Install the elbow using 3 sheet metal screws at each joint.

7.Measure, and cut if necessary, the appropriate length of pipe section needed to make the connec- tion through the wall. Include a 2” overlap; i.e. from

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20007066

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Vermont Casting 3930 Side Wall Termination Assembly, Pinnacle & Stardance Direct Vent - Rear Vent Gas Heaters, 20007066