Location of Termination Cap

D

E V

B L

 

C

 

 

Fixed

V

 

Closed

 

 

F

Openable

 

V

 

B

B

B

Openable ClosedFixed

H

VI

B

V J XG

AM

N N

 

G

 

V

 

G

V K X

V

 

 

 

 

 

 

 

 

 

 

A

 

 

V TERMINATION CAP

X AIR SUPPLY INLET

 

G

GAS METER

 

RESTRICTED AREA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(TERMINATION PROHIBITED)

A

=

clearance above grade, veranda, porch, deck, or

I

=

clearance to service regulator vent outlet [*72" (182.9 cm)

 

 

balcony [*12" (30.5 cm) minimum]

 

 

 

minimum]

 

 

 

 

B

=

clearance to window or door that may be opened

J

=

clearance to non-mechanical air supply inlet to building

 

 

[12" (30.5 cm) minimum]

 

 

 

or the combustion air inlet to any other fireplace

C

=

clearance to permanently closed window

 

 

 

[*12" (30.5 cm) minimum]

 

 

[minimum 12" (30.5 cm) recommended to prevent

K

=

clearance to a mechanical air supply inlet [*72" (182.9 cm)

 

 

condensation on window]

 

 

 

minimum]

 

 

 

 

D

=

vertical clearance to ventilated soffit located above the

L

=

† clearance above paved side-walk or a paved driveway

 

 

terminal within a horizontal distance of 24" (61 cm) from

 

 

located on public property [*84" (213.3 cm) minimum]

 

 

the center-line of the terminal [18" (45.7 cm) minimum]

M =

clearance under veranda, porch, deck

E

=

clearance to unventilated soffit [12" (30.5 cm) minimum]

 

 

[*12" (30.5 cm) minimum ‡]

F

=

clearance to outside corner (see below)

 

N =

clearance above a roof shall extend a minimum of

G

=

clearance to inside corner (see below)

 

 

 

24" (61 cm) above the highest point when it passes

H

=

*not to be installed above a meter/regulator assembly

 

 

through the roof surface and any other obstruction within

 

 

within 36" (91.4 cm) horizontally from the center line

 

 

a horizontal distance of 18" (45.7 cm)

 

 

of the regulator

 

 

 

 

 

 

 

 

 

 

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 or balconey is fully open on a minimum of 2 sides beneath the floor* * as specified in CAN/CSA B149 (.1 or .2) Installation Codes (1991) for Canada and U.S.A.

Note: Local codes or regulations may require different clearances

Termination Clearances for Buildings with Combustible and Noncombustible Exteriors

Inside Corner

A

V

Outside Corner

Recessed Location

 

 

D

 

 

C

C

A = 6" (15.2 cm)

 

E

 

 

V

V

 

B = 6" (15.2 cm)

B

Balcony with No Side Wall

G

V

G = 12" (30.5 cm) minimum clearance

Balcony with Perpendicular Side Wall

H

V

J

Combustible &

Noncombustible

H = 24" (61 cm)

J = 20" (50.8 cm)

C = Maximum depth of 48" (121.9 cm) for recessed location

D = Minimum width for back wall of recessed location - Combustible - 38" (965 mm) Noncombustible - 24" (61 cm)

E = Clearance from corner in recessed location- Combustible - 6" (15.2 cm) Noncombustible - 2" (5.1 cm)

Figure 7 - Minimum Clearances for Termination Cap

111251-01Ewww.desatech.com

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Desa (V)T36EPA installation manual Location of Termination Cap, Balcony with Perpendicular Side Wall