Restrictor Plate Guide, Application | Vermont Casting DVT38S2

Chateau™ Decorative Gas Appliance

proper sealing. Be sure to always attach straps on up- per elbow to a structural framing member.

For vertical installations, continue installing the pipe as required until pipe is installed up through the ceiling. At this point, you must install a ﬁrestop spacer.

Pipe Section

	Pipe
UP	Rim
UP
	Hem
	Lance
	Pipe
	Rim

installed before any offset. A maximum of 20’ (6.1 m) horizontal and three (3) 90° elbows may be installed with a minimum of 12’ (3.66 m) vertical section above the ﬂue collar of the unit. Refer to Page 13, Figure 15 for more information.

A vertically terminated vent system must also conform to the following criteria:

•No more than three (3) 90° elbows may be used.

•Two (2) 45° elbows may be substituted for one (1) 90° elbow. No more than six (6) elbows may be used.

•Vent must rise a minimum of 2’ (610 mm) before offset is used.

•Termination height must conform to roof clearance as speciﬁed in Figure 35.

FP1468

Fig. 13 Install pipe, listening for the snap-lock to fasten.

Restrictor Plate Guide

Application	NG	LP
SK8DVSK or
2’ (610mm) vertical elbow,
2’ (610mm) horizontal	None	None
4’ (1.2m) vertical elbow		4¹⁄₂” ﬂue
10’ (3m) horizontal elbow	None	restrictor
8’ (2.4m) vertical
12’ (3.7m) vertical & greater	6³⁄₄” ﬂue	6³⁄₄” ﬂue
	restrictor	restrictor

Horizontal Termination

The vent must rise vertically a minimum of 24”

(610 mm) off the top of the unit, before the ﬁrst elbow. The horizontal run may extend up to 20’ (6 m) and include a vertical rise of up to 40’ (12 m). (Fig. 14) Hori- zontal termination must also meet the criteria shown in Figures 11 & 12.

• Approved vent systems must terminate above and

including the heavy line in Figure 14.

• Two 45° elbows may be substituted for each single

90° elbow.

• With a rise between 2’ - 4’, one (1) 90° or two (2) 45°

elbows may be used.

Vertical Run (in feet) (Measured from the appliance flue collar to the top of the vent pipe.)

May use one (1) elbow only

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May

use up to

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three (3) 90°

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elbows, but must

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not have two (2)

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consecutive 90°

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elbows in horizon

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tal plane

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Unacceptable

vent

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ing conﬁguration

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Vertical Termination

A vertical vent system must terminate no less than 12’ (3.66 m) and no more than 40’ (12 m) above the appli- ance ﬂue collar. A 2’ (610 mm) vertical section must be

Horizontal Run (in feet)

Fig. 14 Horizontal vent termination window.

FP1359

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