Century Jefferson manual Attach the Inner Vent Assembly to the stove

Jefferson Direct Vent/Natural Vent Gas Heater

First Section of

Vent Pipe

4” Inner

Starter

Pipe

1/4”-20 x 1/2” Phillips Screw

CEMENT

ST211

Fig. 17 Connect the inner starter with the next section of inner vent pipe.

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)

CEMENT

ST212

Fig. 18 Attach inner assembly to flue collar.

5.Install the Outer Adapter Pipe. 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)

ST213

Fig. 19 Fasten outer pipe with #12 x 1/2” sheet metal screws.

Install the Vent Adapter Pipe

(Simpson Dura-Vent Components)

1.Install the Restrictor Plate. Consult the “Vertical Terminations” on Page 9 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 log- set. Using the starter pipe assembly listed on Page 13, 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 verti- cal seam to the rear, and insert the crimped end of the outer pipe into the flue collar. Fasten with three

(3) sheet metal screws provided.

1/4-20 x	Inner Adapter Pipe
3/8” Phillips
Screws
	CEMENT

ST355

Fig. 20 Simpson Dura-Vent - install inner adapter pipe.

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