Vent Terminal Clearances - Jøtul GF 100 DV II Installation And Operation Instructions Manual

Horizontal Termination Clearance
Figure 17. Vent Terminal Clearances - National Fuel Gas Code.
A = Clearance above grade, veranda, porch , deck, or
balcony : 12 inches (30 cm) minimum.
B = Clearance to window or door that may be
opened: **Min. 9 inches, U.S. / *12 inches (30 cm)
CAN.
We recommend 12in. minimum to prevent con-
densation on the window.
C = Clearance to permanently closed window:
**Min. 9 inches, U.S. / *12 inches (30 cm) CAN
We recommend 12 in. minimum to prevent
condensation on the window.
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal distance of 2
feet (60 cm) from the centerline of the terminal: 18
inches
(46 cm) minimum.
E = Clearance to unventilated soffit: 12 inches (46
cm) minimum.
F = Clearance to outside corner: **Min. 9 inches, U.S. /
*12 inches (30 cm) CAN. We strongly recommend 12
inches, particularly where windy conditions pevail.
G = Clearance to inside corner: ** Min. 6 inches, U.S. /
*12 inches (30 cm) CAN. We strongly recommend 12
inches, particularly where windy conditions pevail.
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H = *Not to be installed within 15 feet (4.5 m) above a
meter/regulator assembly within 3 feet (90 cm)
horizontally from the center-line of the regulator.
I = Clearance to service regulator vent outlet:
3 feet (91 cm) minimum.
J = Clearance to nonmechanical air supply inlet to
building or the combustion air inlet to any other
appliance:
12 inches (30 cm) minimum.
K = Clearance to a mechanical air supply inlet:
**Min. 3 feet (91 cm) above if within 10 feet horizon-
tally, U.S. / *6 feet (1.83 m) minimum / CAN
L = 1 Clearance above paved sidewalk or a paved driveway
located on public property: 7 feet (2.1 m) min.
M = Clearance under veranda, porch, deck, or balcony:
12 inches (30 cm) minimum.
* In accordance with CSA B149.1 Installation Codes.
** In accordance with the current ANSI Z223.1/NFFPA 54,
National Fuel Gas Code. Note: Local Codes and Regulations
may require different clearances.
1 A vent shall not terminate directly above a sidewalk or
driveway which is located between two single family
dwellings and serves both dwellings.
2 Only permitted if veranda, porch, deck, or balcony, is
fully open on a minimum of two sides beneath the floor.*
2