General Venting Information - Termination Location - Vermont Castings SDDVTEB Homeowner's Installation And Operating Manual

D
E
L
B
CFM145a
VENT TERMINATION
V
A = Clearance above grade, veranda, porch,
deck, or balcony
B = Clearance to window or door that may be
opened
C = Clearance to permanently closed window
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal
distance of ' (610mm) from the center
line of the terminal
E = Clearance to unventilated soffit
F = Clearance to outside corner
G = Clearance to inside corner (see next page)
H = Clearance to each inside of center line
extended above meter/regulator assembly
I = Clearance to service regulator vent outlet
J = Clearance to nonmechanical air supply inlet
to building or the combustion air inlet to any
other appliances
K = Clearance to a mechanical air supply inlet
L = Clearance above paved sidewalk or paved
driveway located on public property
M = Clearance under veranda, porch, deck or
balcony
N = Any other obstruction within a horizontal distance of 18" (450mm).
1 In accordance with the current CSA-B149 Installation Codes
 In accordance with the current ANSI Z3.1/NFPA 54 National Fuel Gas Codes
† A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and
serves both dwellings
* only permitted if veranda, porch, deck or balcony is fully open on a minimum  sides beneath the floor:
NOTE: 1. Local codes or regulations may require different clearances.
. The special venting system used on Direct Vent units are certified as part of the appliance, with clearances tested and
approved by the listing agency.
3. MHSC assumes no responsibility for the improper performance of the appliance when the venting system does not
meet these requirements.
Fig. 11 Vent termination clearances.
30004968

General Venting Information - Termination Location

CORNER DETAIL
A
C
B
V
Fixed
Closed
V
Operable
F
V
B
B
X AIR SUPPLY INLET
1" (30cm)
CFM145a
DV Termin Location
5/01/01 Rev. 12/05/01
6" (15cm) for appliances
sta
< 10,000Btuh (3kW), 1" (30cm)
for appliances > 10,000 Btuh (3kW) and
< 100,000 Btuh (30kW), 36" (91cm)
for appliances > 100,000 Btuh (30kW)
1" (305mm) recommended to
prevent window condensation
18" (458mm)
1" (305mm)
see next page
see next page
3' (91cm) within a height of 15' (5m)
above the meter/regulator assembly
3' (91cm)
6" (15cm) for appliances < 10,000
Btuh (3kW), 1" (30cm) for
appliances > 10,000 Btuh (3kW) and
< 100,000 Btuh (30kW), 36" (91cm)
for appliances > 100,000 Btuh (30kW)
6' (1.83m)
7' (.13m)†
1" (30cm)*
Stardance® Direct Vent/Natural Vent Gas Heater
INSIDE
G
V
H
B
V
Fixed
Closed
B
V
X
J
A
AREA WHERE TERMINAL IS NOT PERMITTED
Canadian Installations
N
M
X
I V K
US Installations
1
1" (30cm)
6" (15cm) for appliances
< 10,000 Btuh (3kW), 9"
(3cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 1" (30cm) for
appliances > 50,000 Btuh (15kW)
1" (305mm) recommended to
prevent window condensation
18" (458mm)
1" (305mm)
see next page
see next page
3' (91cm) within a height of 15'
(5m) above the meter/regulator
assy
3' (91cm)
6" (15cm) for appliances
< 10,000 Btuh (3kW), 9"
(3cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 1" (30cm) for
appliances > 50,000 Btuh (15kW)
3' (91cm) above if within 10
feet (3m) horizontally
7' (.13m)†
1" (30cm)*
2
11