Rinnai CVent
24
INSIDE
CORNER DETAIL
FIXED
CLOSED
OPERABLE
FIXED
CLOSED
OPERABLE
B
B
B
A
J
B
M
C
F
B
B
E
D
L
G
A
H
K
I
[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
, clearances are in
accordance with local installation codes and the requirements of the gas
supplier.
Clearance to opposite wall is 24 inches (60 cm).
X
V
AIR SUPPLY INLET
VENT TERMINAL
AREA WHERE
TERMINAL IS NOT
PERMITTTED
Ref
Description
Canadian Installations
(CSA B149.1)
US Installations
(ANSI Z223.1 / NFPA 54)
A Clearance above grade, veranda, porch, deck, or balcony
12 inches (30 cm)
12 inches (30 cm)
B Clearance to window or door that may be opened
6 in (15 cm) for appliances ≤ 10,000 Btuh
(3 kW), 12 in (30 cm) for appliances >
10,000 Btuh (3 kW) and ≤ 100,000 Btuh
(30 kW), 36 in (91 cm) for appliances
>100,000 Btuh (30 kW)
4 ft (1.2 m) below or to side of
opening; 1 ft (300 mm) above
opening
C Clearance to permanently closed window
*
*
D
Vertical clearance to ventilated soffit, 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
*
*
H
Clearance to each side of center line extended above meter/
regulator assembly
3 feet (91 cm) within a height 15 feet (4.5
m) above the meter/regulator assembly
*
I
Clearance to service regulator vent outlet
36 inches (91 cm)
*
J
Clearance to non-mechanical air supply inlet to building or the
combustion air inlet to any other appliance
6 in (15 cm) for appliances ≤ 10,000 Btuh
(3 kW), 12 in (30 cm) for appliances >
10,000 Btuh (3 kW) and ≤ 100,000 Btuh
(30 kW), 36 in (91 cm) for appliances
>100,000 Btuh (30 kW)
4 ft (1.2 m) below or to side of
opening; 1 ft (300 mm) above
opening
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 (2.13 m)
*
M Clearance under veranda, porch, deck, or balcony
12 inches (30 cm)
*
Clearance in
Ref. A also
applies to
anticipated
snow line
Exhaust Vent Termination Clearances
Other than direct vent for C199i when using room air for combustion, you must install terminations
Summary of Contents for c199i
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