Rinnai ENERGYSAVER EX17C Operation And Installation Manual page 19

Flue Terminal Clearances
Ref
Clearance above grade, veranda,
A porch, deck, or balcony. (Take into
account the anticipated snow line)
Clearance to window or door that may
B
be opened
Clearance to permanently closed
C
window
Vertical clearance to ventilated soffit,
located above the terminal within a
D
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
Clearance to each side of center line
H extended above meter/regulator
assembly
Clearance to service regulator vent
I
outlet
Clearance to nonmechanical air supply
J inlet to building or the combustion air
inlet to any other appliance
Clearance to a mechanical air supply
K
inlet
Clearance above paved sidewalk or
L paved driveway located on public
property
Clearance under veranda, porch, deck,
M
or balcony
1 A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single
family dwellings and serves both dwellings.
2 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.
Description
Rinnai Corporation EX17C / EX22C Manual
Canadian Installations
12 inches (30 cm)
6 inches (15 cm) for
appliances < 10,000 BTUh;
12 inches (30 cm) for
appliances > 10,000 BTUh
and < 100,000 BTUh,
36 inches (91 cm) for
appliances > 100,000 BTUh
*
*
*
*
20 inches (50 cm)
3 feet (91 cm) within a height
15 feet (4.5 m) above the
meter/regulator assembly
3 feet (91 cm)
6 inches (15 cm) for
appliances < 10,000 BTUh;
12 inches (30 cm) for
appliances > 10,000 BTUh
and < 100,000 BTUh,
36 inches (91 cm) for
appliances > 100,000 BTUh
6 feet (1.83 m)
7 feet (2.13 m) 1
12 inches (30 cm) to non-
flammables 2
24 inches (60 cm) to
flammables 2
US Installations
12 inches (30 cm)
6 inches (15 cm) for
appliances < 10,000 BTUh;
9 inches (23 cm) for
appliances > 10,000 BTUh
and < 50,000 BTUh,
12 inches (30 cm) for
appliances > 50,000 BTUh
*
*
*
*
20 inches (50 cm)
*
*
6 inches (15 cm) for
appliances < 10,000 BTUh;
9 inches (23 cm) for
appliances > 10,000 BTUh
and < 50,000 BTUh,
12 inches (30 cm) for
appliances > 50,000 BTUh
3 feet (91 cm) above if within
10 feet (3 m) horizontally
*
12 inches (30 cm) to non-
flammables 2
24 inches (60 cm) to
flammables 2
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