Flue Terminal Clearances - Rinnai ES38 Owner's Operation And Installation Manual

Energysaver gas direct vent wall furnace
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Flue Terminal Clearances
Ref
Description
Canadian Installations
US Installations
Clearance above grade, veranda,
A
porch, deck, or balcony. (Take into
12 inches (30 cm)
12 inches (30 cm)
account the anticipated snow line)
6 inches (15 cm) for
6 inches (15 cm) for
appliances ::: 10,000 BTUh;
appliances ::: 10,000 BTUh;
Clearance to window or door that may
12 inches (30 cm) for
9 inches (23 cm) for
B
appliances > 10,000 BTUh
appliances > 10,000 BTUh
be opened
and:::_ 100,000 BTUh,
and::: 50,000 BTUh,
36 inches (91 cm) for
12 inches (30 cm) for
appliances > 100,000 BTUh
appliances> 50,000 BTUh
C
Clearance to permanently closed
*
*
Vertical clearance to ventilated soffit,
D
located above the terminal within a
*
*
horizontal distance of 2 feet (61 cm)
from the center line of the terminal
E
Clearance to unventilated soffit
*
*
F
Clearance to outside corner
*
*
G
Clearance to inside corner
20 inches (50 cm)
20 inches (50 cm)
Clearance to each side of center line
3 feet (91 cm) within a height
H
extended above meter/regulator
15 feet (4.5 m) above the
*
assembly
meter/regulator assembly
I
Clearance to service regulator vent
3 feet (91 cm)
*
6 inches (15 cm) for
6 inches (15 cm) for
appliances::: 10,000 BTUh;
appliances::: 10,000 BTUh;
Clearance to nonmechanical air supply
12 inches (30 cm) for
9 inches (23 cm) for
J
inlet to building or the combustion air
appliances > 10,000 BTUh
appliances > 10,000 BTUh
inlet to any other appliance
and ::: 100,000 BTUh,
and::: 50,000 BTUh,
36 inches (91 cm) for
12 inches (30 cm) for
appliances> 100,000 BTUh
appliances > 50,000 BTUh
K
Clearance to a mechanical air supply
6 feet (1.83 m)
3 feet (91 cm) above if within
inlet
10 feet (3 m) horizontally
L
Clearance above paved sidewalk or
7 feet (2.13 m) CD
*
paved driveway located on public
12 inches (30 cm) to non-
12 inches (30 cm) to non-
M
Clearance under veranda, porch, deck,
flammables
@
flammables
@
or balcony
24 inches (60 cm) to
24 inches (60 cm) to
flammables
@
flammables
(?)
CD A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single
family dwellings and serves both dwellings.
@
Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
*For clearances not specified in ANSI Z223.1/NFPA 54 or CSA B149.1, clearances are in accordance with local
installation codes and the requirements of the gas supplier.
Rinnai Corporation ES38 Manual
17

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