Stardance direct vent/natural vent gas heater, Venting requirements - natural vent only, Venting runs – Vermont Casting SDDVT User Manual

Page 12: Termination clearances

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12

Stardance Direct Vent/Natural Vent Gas Heater

20012734

Fig. 12 Termination clearances.

Venting Requirements - Natural Vent Only

FP567
NVBR/NVBC VENTING RUNS
11/12/97

Venting Runs

Horizontal Run (in feet)

V

ertical Run (in feet)

(Measured from top of the unit before any elbow)

A: Vertical installations up to 36 feet (12m) in
height. Up to an 18 ft. horizontal vent run can be
installed within the vent system using a
maximum of two 90-degree elbows or four
45-degree elbows.

B: Vertical installations up to 36 feet (12m) in
height. Up to a 24 ft. horizontal vent run can be
installed within the vent system using a
maximum of two 45-degree elbows.
(Ratio = 2/3, Hor./Vert.)

= Acceptable venting configuration

= Unacceptable venting configuration

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A

B

NOTE: When venting staight vertical, without any
elbow, a minimum of 8 ft. vertical is required
off the top of the stove.

Fig. 13 Vent termination window - Natural Vent ONLY.

NOTE: When using the FSDHAG, the restrictor plate
supplied with the stove is not used.

Outside Corner

Inside Corner

Termination Clearances

Termination clearances for buildings with combustible and noncombustible exteriors.

G =

Combustible

6" (152 mm)

Noncombustible

2" (51 mm)

F =

Combustible

6" (152 mm)

Noncombustible

2" (51 mm)

G

Balcony -

with no side wall

M =
Combustible &
Noncombustible
12" (305 mm)

M

Balcony -

with perpendicular side wall

M = 24" (610 mm)
P = 20” (508 mm)

M

F

Alcove Applications*

C

D

C

E

V

V

Combustible &

Noncombustible

V

V

V

E

= Min. 6” (152 mm) for

non-vinyl sidewalls
Min. 12” (305 mm) for
vinyl sidewalls

O

= 8’ (2.4 m) Min.

O

P

584-15

No.

of Caps

D

Min.

C

Max.

1

3’ (914 mm) 2 x D

Actual

2

6’ (1.8 m)

1 x D

Actual

3

9’ (2.7 m)

2/3 x D

Actual

4

12’ (3.7 m)

1/2 x D

Actual

D

Min.

= # of Termination caps x 3

C

Max.

= (2 / # termination caps) x D

Actual

*NOTE: Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions
specified for vinyl or non-vinyl siding and soffits. 1. There must be a 3’ (914 mm) minimum between termination caps. 2. All
mechanical air intakes within 10’ (1 m) of a termination cap must be a minimum of 3’ (914 mm) below the termination cap. 3. All
gravity air intakes within 3’ (914 mm) of a termination cap must be a minimum of 1’ (305 mm) below the termination cap.

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