Vermont Casting BHDT36 installation instructions General Venting

GENERAL VENTING

Your fireplace is approved to be vented either through the side wall, or vertical through the roof.

-Only Majestic venting components specifically approved and labelled for this fireplace may be used.

-Minimum clearances between vent pipes and combustible materials is one (1") inch (25 mm), except where stated otherwise.

-Venting terminals shall not be recessed into a wall or siding.

-Horizontal venting must be installed on a level plane without an inclining or declining slope.

There must not be any obstruction such as bushes, garden sheds, fences, decks or utility buildings within 24" from the front of the termination hood.

Do not locate termination hood where excessive snow or ice build up may occur. Be sure to check vent termination area after snow falls, and clear to prevent accidental blockage of venting system. When using snow blowers, make sure snow is not directed towards vent termination area.

Location of Vent Termination

It is imperative that the vent termination be located observ- ing the minimum clearances as shown on this page.

*Check with local codes or in absence of same with CAN/CGA B149 (.1 or .2) Installation Codes (1991) for Canada or for U.S.A. Installations follow the current National Fuel Gas Code, ANSI Z223.1.

D

E

	V	C
L	B

Fixed

Closed

F V Openable

V

Openable

B V

Fixed

Closed

H N

I

N

G

V

B

		B	M
B	V J X	G

A

G

V KX V A

V TERMINATION CAP	X AIR SUPPLY INLET	G	GAS METER	RESTRICTED AREA
				(TERMINATION PROHIBITED)

A = clearance above grade, veranda, porch, deck, or balcony [* 12 inches (305mm) minimum]

B = clearance to window or door that may be opened 12" (306mm).

C = clearance to permanently closed window [minimum 12 inches (305mm) recommended to prevent con- densation on window]

D = vertical clearance to ventilated soffit located above the termina/ within a horizontal distance of 24 inches (610mm) from the centre-line of the terminal [18 inches (458mm) minimum]

E = clearance to unventilated soffit [12 inches (305mm) minimum

F = clearance to outside comer see next page G = clearance to inside comer see next page

H = * not to be installed above a meter/regulator assem- bly within 36 inches (914mm) horizontally from the centre-line of the regulator

I = clearance to service regulator vent outlet [*72 inches (1828mm) minimum]

J = clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other fireplace [ *12 inches (305mm) minimum]

K = clearance to a mechanical air supply inlet [* 72 inches (1828mm) minimum]

L = † clearance above paved side-walk or a paved driveway located on public property [*84 inches (2133mm) minimum]

M = clearance under veranda, porch, deck [*12 inches (305mm) minimum ‡]

N = Clearance above a roof shall extend a minimum of 24" (610mm) above the highest point when it passes through the roof surface, and any other obstruciton within a horizontal distance of 18" (450mm).

†a vent shall not terminate directly above a side-walk or paved driveway which is located between two single family dwellings and serves both dwellings *

‡only permitted if veranda, porch, deck, is fully open on a minimum 2 sides beneath the floor *

*as specified in CAN/CGA B149 (.1 or .2) Installation Codes (1991) for Canada or for U.S.A. Installations follow the current National Fuel Gas Code, ANSI Z223.1.

Note: Local codes or regulations may require different clearances.

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