23
VENT TERMINAL CLEARANCES (Refer to illustration on page 15)
A = Clearance above grade, verranda,
porch, deck or balcony
12 inches (30 cm)
12 inches (30 cm)
B = Clearance to window or door that
may be opened
12 inches (30 cm)
9 inches (23 cm)
C = Clearance to a permanently
closed window
See Footnotes 5& 6
See Footnotes 5
D = Vertical clearance to a ventilat-
ed soffit located above the terminal
within a horizontal distance of 2 feet
(61cm) from the centerline of the
terminal
See Footnotes 5& 6
See Footnotes 5
E = Clearance to unventilated soffit
See Footnotes 5& 6
See Footnotes 5
F = Clearance to outside corner
See Footnotes 5& 6
See Footnotes 5
G = Clearance to inside corner
See Footnotes 5& 6
See Footnotes 5
H = Clearance to each side of center-
line extended above meter/regulator
assembly
3 feet (91 cm) within a
height of 15 feet (4.5m)
above the regulator /
meter assembly
See Footnotes 5
I = Clearance to service regulator vent
outlet
3 feet (91 cm)
See Footnotes 5
J = Clearance to non-mechanical air
supply inlet to building or the com-
bustion air inlet to any other appliance
12 inches (30 cm)
9 inches (23 cm)
K = Clearance to a mechanical air
supply inlet
6 feet (1.83 m)
3 feet (91 cm) above if
within 10 feet (3 m)
horizontally
L = Clearance above paved sidewalk
or paved driveway located on public
property
7 feet (2.12 m)
See Footnote 5
M = Clearance under veranda, porch,
deck or balcony
12 inches (30 cm) See
Footnote 4
See Footnote 5
Canadian installations
1
U.S. installations
2
Footnotes
1 In accordance with the current CSA B419.1, Natural Gas and Propane Installation Code
2 In accordance with the current ANSI Z223.1 / NFPA 54, National Fuel Gas Code
3 A vent shall not terminate directly above a sidewalk or paved driveway that is located between
two single family dwellings and serves both dwellings.
4 Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides
below the floor.
5 Clearance in accordance with local installation codes and the requirements of the gas supplier.
6 Dégagement conforme aux codes d’installation locaux et aux exigences du fournisseur de gaz.
Venting terminals shall not be recessed into a wall or siding.
English
RAIS - User manual for VIVA L Gas
Summary of Contents for Viva 100 L Classic Gas
Page 19: ...19 Vertical Roof Termination English RAIS User manual for VIVA L Gas...
Page 20: ...20 Vertical Roof Termination on angle English RAIS User manual for VIVA L Gas...
Page 21: ...21 Vertical Roof Termination with bends English RAIS User manual for VIVA L Gas...
Page 39: ...39 English RAIS User manual for VIVA L Gas Log 4 Log 3 Log 5 Log 6 Log A Log B...
Page 44: ...44 English RAIS User manual for VIVA L Gas...
Page 65: ...65 Fran ais English RAIS User manual for VIVA L Gas...
Page 69: ...7 8 3 4 5 6 1 2 9 Viva 100 L Gas Viva 120 L Gas Viva 160 L Gas...
Page 70: ...70 7 8 9 10 13 15 14 12 11 3 4 5 6 2 1 16 Viva 100 L G Gas Viva 120 L G Gas Viva 160 L G Gas...
Page 72: ...RAIS A S Industrivej 20 DK 9900 Frederikshavn Denmark www rais dk...