Vermont Casting DVRT36 General Information for Connecting Vent Pipes, Crimped End Pipes, 10002428

Vermont Castings, Majestic Products DVRT36/39/43

Termination Clearances

Termination clearances for buildings with combustible and noncombustible exteriors.

Inside Corner Outside Corner Recessed Location

			B =
	A =		Combustible
A			6" (152 mm)
	Combustible
			Noncombustible
	6" (152 mm)	V
	Noncombustible		2" (51 mm)
V			B
	2" (51 mm)

Balcony	Balcony
with no side wall	with perpendicular side wall
G	H
V	V
	J
G =	Combustible &
	Noncombustible
Combustible
Noncombustible	H = 24" (610 mm)
12" (305 mm)	J = 20" (508 mm)

D

CC

E

V

C = Maximum depth of 48" (1219mm) for recessed location.

D = Minimum width for back wall of a recessed location. Combustible 38" (965 mm) Noncombustible 24" (610 mm)

E = Clearance from corner in recessed location. Combustible 6" (152 mm) Noncombustible 2" (50 mm)

CFM115

Fig. 15 Termination clearances.

General Information for Connecting Vent Pipes

Crimped End Pipes

Before joining elbows and pipes, apply a bead of high temperature sealant to the crimped end of the elbow or pipe.

Join the pipes using a 2” (51mm) overlap and secure the joints with three (3) sheet metal screws. (Fig. 16) Wipe off excess sealant.

Canadian Installations:

The venting system must be installed in accordance with the current CSA-B149.1 installation code.

USA Installations:

The venting system must conform to local codes and/ or the current National Fuel Code ANSI Z223.1/NFPA 54.

1" (25 mm) from crimped end of pipe

Screw

Holes

CFM175

Fig. 16 Apply a bead of high temperature sealant.

Only venting components manufactured by Vermont Castings, Majestic Products may be used in Direct Vent systems.

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